diff --git a/ui/src/backoffice/components/anonymous/components/AvisStats.jsx b/ui/src/backoffice/components/anonymous/components/AvisStats.jsx
index 0c3971c57..28bbd7ffc 100644
--- a/ui/src/backoffice/components/anonymous/components/AvisStats.jsx
+++ b/ui/src/backoffice/components/anonymous/components/AvisStats.jsx
@@ -21,14 +21,14 @@ export default class AvisStats extends React.Component {
         return (
             <div className="Stats">
                 <div className="main with-details d-flex flex-column">
-                    <h2 className="title" >
+                    <h3 className="title" >
                         <span aria-hidden="true" className="far fa-comment-alt a-icon"></span>
                         Avis
                         <span className="asterisque" style={{"marginLeft":"10px"}}>
                             {debut ? " (depuis le: "+new Date(debut).toLocaleDateString() : '(depuis le: 01/01/2018 -' /*getFullYear*/}
                             {fin ? " jusqu'au: "+new Date(fin).toLocaleDateString()+")" : "jusqu'à: Aujourd'hui)"}
                         </span>
-                    </h2>
+                    </h3>
                     <div className="d-flex justify-content-between flex-wrap">
                         <div className="stats" >
                             <div className="name">Total avis déposés</div>
diff --git a/ui/src/backoffice/components/anonymous/components/FormationStats.jsx b/ui/src/backoffice/components/anonymous/components/FormationStats.jsx
index 95795a976..dce4b42ab 100644
--- a/ui/src/backoffice/components/anonymous/components/FormationStats.jsx
+++ b/ui/src/backoffice/components/anonymous/components/FormationStats.jsx
@@ -21,7 +21,7 @@ export default class FormationStats extends React.Component {
         return (
             <div className="Stats">
                 <div className="main with-details d-flex flex-column">
-                    <h2 className="title" >
+                    <h3 className="title" >
                         <div>
                             <span aria-hidden="true" className="fas fa-graduation-cap a-icon"></span>
                             Formations
@@ -31,7 +31,7 @@ export default class FormationStats extends React.Component {
                             </span>
                         </div>
                         <div className="description">(source Intercarif)</div>
-                    </h2>
+                    </h3>
                     <div className="d-flex justify-content-between flex-wrap">
                         <div className="stats" >
                             <div className="name">Formations en ligne</div>
diff --git a/ui/src/backoffice/components/anonymous/components/ModerationStats.jsx b/ui/src/backoffice/components/anonymous/components/ModerationStats.jsx
index 869c75327..ac732a78d 100644
--- a/ui/src/backoffice/components/anonymous/components/ModerationStats.jsx
+++ b/ui/src/backoffice/components/anonymous/components/ModerationStats.jsx
@@ -20,14 +20,14 @@ export default class ModerationStats extends React.Component {
         return (
             <div className="Stats">
                 <div className="main with-details d-flex flex-column">
-                    <h2 className="title" >
+                    <h3 className="title" >
                         <span aria-hidden="true" className="far fa-comment-alt a-icon"></span>
                         Modération
                         <span className="asterisque" style={{"marginLeft":"10px"}}>
                             {'(depuis le: 01/01/2018 -'}
                             {fin ? " jusqu'au: "+new Date(fin).toLocaleDateString()+")" : "jusqu'à: Aujourd'hui)"}
                         </span>
-                    </h2>
+                    </h3>
                     <div className="d-flex justify-content-between flex-wrap">
                         <div className="stats" >
                             <div className="name">Avis à modérer</div>
diff --git a/ui/src/backoffice/components/anonymous/components/OrganismeStats.jsx b/ui/src/backoffice/components/anonymous/components/OrganismeStats.jsx
index d3e81eb57..7a8788867 100644
--- a/ui/src/backoffice/components/anonymous/components/OrganismeStats.jsx
+++ b/ui/src/backoffice/components/anonymous/components/OrganismeStats.jsx
@@ -20,14 +20,14 @@ export default class OrganismeStats extends React.Component {
         return (
             <div className="Stats">
                 <div className="main with-details d-flex flex-column">
-                    <h2 className="title" >
+                    <h3 className="title" >
                         <span aria-hidden="true" className="far fa-comment-alt a-icon"></span>
                         Organismes
                         <span className="asterisque" style={{"marginLeft":"10px"}}>
                             {'(depuis le: 01/01/2018 -'}
                             {fin ? " jusqu'au: "+new Date(fin).toLocaleDateString()+")" : "jusqu'à: Aujourd'hui)"}
                         </span>
-                    </h2>
+                    </h3>
                     <div className="d-flex justify-content-between flex-wrap">
                         <div className="stats" >
                             <div className="name">Organismes actifs</div>
diff --git a/ui/src/backoffice/components/anonymous/components/StagiairesStats.jsx b/ui/src/backoffice/components/anonymous/components/StagiairesStats.jsx
index c6bf0ae72..1b9f9dab4 100644
--- a/ui/src/backoffice/components/anonymous/components/StagiairesStats.jsx
+++ b/ui/src/backoffice/components/anonymous/components/StagiairesStats.jsx
@@ -30,14 +30,14 @@ export default class StagiairesStats extends React.Component {
             <div className="Stats">
                 <div className="main d-flex justify-content-center justify-content-lg-between">
                     <div className="d-flex flex-column">
-                        <h2 className="title" >
+                        <h3 className="title" >
                             <span aria-hidden="true" className="far fa-user a-icon"></span>
                             Stagiaires
                             <span className="asterisque" style={{"marginLeft":"10px"}}>
                                 {debut ? " (depuis le: "+new Date(debut).toLocaleDateString() : '(depuis le: 01/01/2018 -' /*getFullYear*/}
                                 {fin ? " jusqu'au: "+new Date(fin).toLocaleDateString()+")" : "jusqu'à: aujourd'hui)"}
                             </span>
-                        </h2>
+                        </h3>
                         <div className="d-flex justify-content-around flex-wrap">
                             <div className="stats" >
                                 <div className="name">Nombre de stagiaires contactés</div>
diff --git a/ui/src/backoffice/components/anonymous/components/StatsForm.jsx b/ui/src/backoffice/components/anonymous/components/StatsForm.jsx
index a92ce3bac..63c96b526 100644
--- a/ui/src/backoffice/components/anonymous/components/StatsForm.jsx
+++ b/ui/src/backoffice/components/anonymous/components/StatsForm.jsx
@@ -73,21 +73,20 @@ export default class StatsForm extends React.Component {
                 <Form className="a-width-50">
                     <div className="d-flex justify-content-between align-items-end">
                         <div className="flex-grow-1 mr-2">
+                            <label for="choix-region" style={{fontSize: "1.125rem", fontWeight: 700}}>Filtrer par région</label>
+                            <Select
+                                id="choix-region"
+                                placeholder={'Toutes les régions'}
+                                trackingId="Regions"
+                                loading={store.loading}
+                                value={codeRegion}
+                                options={store.regions}
+                                optionKey="codeRegion"
+                                optionLabel="nom"
+                                onChange={(option) => this.setState({ codeRegion: option ? option.codeRegion : null })}
+                            />
                             <fieldset>
-                                <label style={{fontSize: "1.125rem", fontWeight: 700}}>Filtrer par région</label>
-                                <Select
-                                    placeholder={'Toutes les régions'}
-                                    trackingId="Regions"
-                                    loading={store.loading}
-                                    value={codeRegion}
-                                    options={store.regions}
-                                    optionKey="codeRegion"
-                                    optionLabel="nom"
-                                    onChange={(option) => this.setState({ codeRegion: option ? option.codeRegion : null })}
-                                />
-                            </fieldset>
-                            <fieldset>
-                                <label>Période</label>
+                                <legend>Période</legend>
                                 <Periode
                                     periode={{ debut: this.state.debut, fin: this.state.fin }}
                                     min={moment('2019-08-01').toDate()}
diff --git a/ui/src/backoffice/components/common/avis/Avis.jsx b/ui/src/backoffice/components/common/avis/Avis.jsx
index 027098114..08d9fbb58 100644
--- a/ui/src/backoffice/components/common/avis/Avis.jsx
+++ b/ui/src/backoffice/components/common/avis/Avis.jsx
@@ -87,7 +87,7 @@ export default class Avis extends React.Component {
 
         return (
             <div className="Avis">
-                <h2 className="sr-only">Commentaire {index}</h2>
+                <h3 className="sr-only">Commentaire {index}</h3>
                 {message &&
                 <LocalMessage message={message} onClose={async () => await this.state.propagateChanges()} />
                 }
diff --git a/ui/src/backoffice/components/common/header/Header.jsx b/ui/src/backoffice/components/common/header/Header.jsx
index 585fd2166..c1354ea4e 100644
--- a/ui/src/backoffice/components/common/header/Header.jsx
+++ b/ui/src/backoffice/components/common/header/Header.jsx
@@ -25,9 +25,13 @@ const Header = ({ items, defaultPath, onLogout }) => {
                 <div className="row">
                     <div className="col-sm-12">
                         <div className="d-flex flex-column flex-md-row justify-content-between align-items-center">
-                            <NavLink to={defaultPath}>
-                                <img src={logo} ref={logoRef} className="logo" alt="Anotéa" tabIndex="-1" />
-                            </NavLink>
+                            {account.profile === 'anonymous' ?
+                                <a href="https://anotea.francetravail.fr">
+                                    <img src={logo} ref={logoRef} className="logo" alt="Anotéa accueil" tabIndex="-1" />
+                                </a> : <NavLink to={defaultPath}>
+                                    <img src={logo} ref={logoRef} className="logo" alt="Anotéa accueil backoffice" tabIndex="-1" />
+                                </NavLink>
+                            }
 
                             {items}
 
diff --git a/ui/src/backoffice/components/common/page/form/CenteredForm.scss b/ui/src/backoffice/components/common/page/form/CenteredForm.scss
index df8a1e25f..0895071ae 100644
--- a/ui/src/backoffice/components/common/page/form/CenteredForm.scss
+++ b/ui/src/backoffice/components/common/page/form/CenteredForm.scss
@@ -2,6 +2,11 @@
 
 .Backoffice .CenteredForm {
 
+  legend {
+    font-size: 1rem;
+    font-weight: $font-weight-bold;
+  }
+
   label {
     font-size: 1rem;
     font-weight: $font-weight-bold;
@@ -23,7 +28,7 @@
 
     .contactez-nous {
       color: $color-blue;
-	  text-decoration: underline;
+    text-decoration: underline;
     }
   }
 }
diff --git a/ui/src/backoffice/components/common/page/form/Form.scss b/ui/src/backoffice/components/common/page/form/Form.scss
index 5d97f6a98..f2b43409e 100644
--- a/ui/src/backoffice/components/common/page/form/Form.scss
+++ b/ui/src/backoffice/components/common/page/form/Form.scss
@@ -4,6 +4,11 @@
 
   @include box();
 
+  legend {
+    font-size: 1.125rem;
+    font-weight: $font-weight-bold;
+  }
+
   label {
     font-size: 1.125rem;
     font-weight: $font-weight-bold;
diff --git a/ui/src/backoffice/components/common/page/form/Periode.jsx b/ui/src/backoffice/components/common/page/form/Periode.jsx
index 2c43a8d59..2bbd526c9 100644
--- a/ui/src/backoffice/components/common/page/form/Periode.jsx
+++ b/ui/src/backoffice/components/common/page/form/Periode.jsx
@@ -34,21 +34,22 @@ export default class Periode extends React.Component {
         return (
             <div className="Periode d-flex justify-content-around align-items-center">
                 <i className="fas fa-map-marker-alt pl-1"></i>
-                <span className="sr-only">de</span>
                 <Date
                     value={periode.debut}
                     min={min}
                     max={max}
                     depth={depth || 'days'}
                     onChange={date => this.onDateChange('debut', date)}
+                    label="date de début"
                 />
-                <span className="au">à</span>
+                <span className="au" aria-hidden="true">à</span>
                 <Date
                     value={periode.fin}
                     min={min}
                     max={max}
                     depth={depth || 'days'}
                     onChange={date => this.onDateChange('fin', date)}
+                    label="date de fin"
                 />
                 <span className="clear" onClick={() => this.onReset()}>
                     <svg
diff --git a/ui/src/backoffice/components/common/page/form/date/Date.jsx b/ui/src/backoffice/components/common/page/form/date/Date.jsx
index 44b7cc996..4c7080e07 100644
--- a/ui/src/backoffice/components/common/page/form/date/Date.jsx
+++ b/ui/src/backoffice/components/common/page/form/date/Date.jsx
@@ -15,6 +15,7 @@ export default class Date extends React.Component {
         min: PropTypes.object,
         max: PropTypes.object,
         depth: PropTypes.string,
+        label: PropTypes.string,
     };
 
     static defaultProps = {
@@ -70,11 +71,11 @@ export default class Date extends React.Component {
     }
 
     render() {
-        let { pattern } = this.props;
+        let { pattern, label } = this.props;
 
         return (
             <div className={'Date'}>
-                <input ref={this.reference} placeholder={"jj/mm/aaaa"} />
+                <input ref={this.reference} placeholder={"jj/mm/aaaa"} aria-label={label}/>
             </div>
         );
     }
diff --git a/ui/src/backoffice/components/common/page/panel/Panel.jsx b/ui/src/backoffice/components/common/page/panel/Panel.jsx
index 08ee57d36..0b46b684c 100644
--- a/ui/src/backoffice/components/common/page/panel/Panel.jsx
+++ b/ui/src/backoffice/components/common/page/panel/Panel.jsx
@@ -21,6 +21,7 @@ const Panel = props => {
             {props.loading ?
                 <Loader centered={true} /> :
                 <div className="container">
+                    {props.pagination ? <h2 className="sr-only">Liste des avis</h2> : ''}
                     <div className="summary-holder">
                         {props.summary}
                     </div>
diff --git a/ui/src/backoffice/components/common/page/panel/filters/Filters.jsx b/ui/src/backoffice/components/common/page/panel/filters/Filters.jsx
index e104c1690..cea3fd3aa 100644
--- a/ui/src/backoffice/components/common/page/panel/filters/Filters.jsx
+++ b/ui/src/backoffice/components/common/page/panel/filters/Filters.jsx
@@ -7,7 +7,7 @@ export const Filters = ({ children }) => {
 
     return (
         <div className="Filters d-flex justify-content-center">
-            <nav className="nav justify-content-center">
+            <nav className="nav justify-content-center" aria-label="Type d'avis">
                 {children}
             </nav>
         </div>
diff --git a/ui/src/backoffice/components/common/page/tabs/Tab.jsx b/ui/src/backoffice/components/common/page/tabs/Tab.jsx
index 2e2df2e0f..0c4391c06 100644
--- a/ui/src/backoffice/components/common/page/tabs/Tab.jsx
+++ b/ui/src/backoffice/components/common/page/tabs/Tab.jsx
@@ -10,10 +10,11 @@ const Tab = ({ label, isActive, onClick, isDisabled = () => false }) => {
     return (
         <li className={`Tab nav-item ${isActive() ? 'active' : ''} ${isDisabled() ? 'disabled' : ''}`}>
             <a href="/#" className={`nav-link ${isActive() ? 'active' : ''}`} onClick={e => {
-                e.preventDefault();
-                trackClick(label);
-                onClick(e);
-            }}>
+                    e.preventDefault();
+                    trackClick(label);
+                    onClick(e);
+                }}
+                aria-current={isActive() ? 'true' : 'false'}>
                 <span>{label}</span>
             </a>
         </li>
diff --git a/ui/src/backoffice/components/common/page/tabs/Tabs.jsx b/ui/src/backoffice/components/common/page/tabs/Tabs.jsx
index eb7e20461..9c22b3b11 100644
--- a/ui/src/backoffice/components/common/page/tabs/Tabs.jsx
+++ b/ui/src/backoffice/components/common/page/tabs/Tabs.jsx
@@ -6,7 +6,7 @@ export { default as Tab } from './Tab';
 export const Tabs = ({ children }) => {
     return (
         <div className="Tabs d-flex justify-content-center">
-            <nav className="nav justify-content-center">
+            <nav className="nav justify-content-center" aria-label="secondaire">
                 {children}
             </nav>
         </div>
diff --git a/ui/src/backoffice/components/financeur/FinanceurHeaderItems.jsx b/ui/src/backoffice/components/financeur/FinanceurHeaderItems.jsx
index 888e96f1f..487e3cb90 100644
--- a/ui/src/backoffice/components/financeur/FinanceurHeaderItems.jsx
+++ b/ui/src/backoffice/components/financeur/FinanceurHeaderItems.jsx
@@ -4,6 +4,7 @@ import Link from '../common/header/Link';
 export default function FinanceurHeaderItems() {
 
     return (
+    <nav aria-label="principale">
         <ul className="nav">
             <li className="nav-item">
                 <Link className="nav-link" url="/backoffice/financeur/avis">
@@ -21,6 +22,7 @@ export default function FinanceurHeaderItems() {
                 </Link>
             </li>
         </ul>
+    </nav>
     );
 }
 
diff --git a/ui/src/backoffice/components/financeur/components/FinanceurAvisPanel.jsx b/ui/src/backoffice/components/financeur/components/FinanceurAvisPanel.jsx
index 3e220f83c..1b3f5ab34 100644
--- a/ui/src/backoffice/components/financeur/components/FinanceurAvisPanel.jsx
+++ b/ui/src/backoffice/components/financeur/components/FinanceurAvisPanel.jsx
@@ -131,7 +131,7 @@ export default class FinanceurAvisPanel extends React.Component {
                         <AvisResults
                             results={results}
                             message={message}
-                            renderAvis={avis => <Avis avis={avis} />}
+                            renderAvis={(avis, index) => <Avis avis={avis} index={index} />}
                         />
                 }
                 pagination={
diff --git a/ui/src/backoffice/components/financeur/components/FinanceurForm.jsx b/ui/src/backoffice/components/financeur/components/FinanceurForm.jsx
index 25c702e05..c492e1da5 100644
--- a/ui/src/backoffice/components/financeur/components/FinanceurForm.jsx
+++ b/ui/src/backoffice/components/financeur/components/FinanceurForm.jsx
@@ -95,7 +95,7 @@ export default class FinanceurForm extends React.Component {
                 <div className="form-row FinanceurAvisChartsPanel">
                     <div className="form-group col-lg-6 col-xl-3">
                         <fieldset>
-                            <label>Période</label>
+                            <legend>Période</legend>
                             <Periode
                                 periode={{ debut: this.state.debut, fin: this.state.fin }}
                                 min={moment('2016-01-01T00:00:00Z').toDate()}
@@ -105,8 +105,8 @@ export default class FinanceurForm extends React.Component {
                     </div>
                     <div className="form-group col-lg-6 col-xl-3">
                         {this.mustShowCodeRegionFilter() ? (
-                            <fieldset>
-                                <label id="combo1-label">Regions</label>
+                            <>
+                                <label for="combo1-label">Regions</label>
                                 <Select
                                     id="combo1-label"
                                     placeholder={'Toutes les régions'}
@@ -119,11 +119,12 @@ export default class FinanceurForm extends React.Component {
                                     aria-labelledby="combo1-label"
                                     onChange={(option) => this.setState({ codeRegion: option ? option.codeRegion : null })}
                                 />
-                            </fieldset>
+                            </>
                         ) : (
-                            <fieldset>
-                                <label>Départements</label>
+                            <>
+                                <label for="departements">Départements</label>
                                 <Select
+                                    id="departements"
                                     placeholder={'Tous les départements'}
                                     trackingId="Départements"
                                     loading={store.loading}
@@ -133,109 +134,104 @@ export default class FinanceurForm extends React.Component {
                                     optionLabel="label"
                                     onChange={(option) => this.setState({ departement: option ? option.code : null })}
                                 />
-                            </fieldset>
+                            </>
                         )}
                     </div>
                 </div>
 
                 <div className="form-row">
                     <div className="form-group col-lg-4">
-                        <fieldset>
-                            <label>SIRET de l&apos;organisme de formation</label>
-                            <InputText
-                                type="number"
-                                value={this.state.siret}
-                                placeholder="000000000000000"
-                                icon={<i className="fas fa-search" />}
-                                reset={() => this.setState({ siret: '', siren: null, numeroFormation: null })}
-                                onChange={(event = {}) => {
-                                    const nouveauSIRET = event.target.value;
-                                    const nouveauSIREN = store.sirens.find(s => s.siren === nouveauSIRET.substring(0, 9));
-                                    this.setState(
-                                        {
-                                            siret: nouveauSIRET,
-                                            siren: nouveauSIREN?.siren,
-                                            numeroFormation: null
-                                        },
-                                        () => {
-                                            if (nouveauSIREN) {
-                                                loadFormations(nouveauSIREN.siren);
-                                            }
+                        <label for="filtre-siret">SIRET de l&apos;organisme de formation</label>
+                        <InputText
+                            id="filtre-siret"
+                            type="number"
+                            value={this.state.siret}
+                            placeholder="000000000000000"
+                            icon={<i className="fas fa-search" />}
+                            reset={() => this.setState({ siret: '', siren: null, numeroFormation: null })}
+                            onChange={(event = {}) => {
+                                const nouveauSIRET = event.target.value;
+                                const nouveauSIREN = store.sirens.find(s => s.siren === nouveauSIRET.substring(0, 9));
+                                this.setState(
+                                    {
+                                        siret: nouveauSIRET,
+                                        siren: nouveauSIREN?.siren,
+                                        numeroFormation: null
+                                    },
+                                    () => {
+                                        if (nouveauSIREN) {
+                                            loadFormations(nouveauSIREN.siren);
                                         }
-                                    );
-                                }}
-                            />
-                        </fieldset>
+                                    }
+                                );
+                            }}
+                        />
                     </div>
                     <div className="form-group col-lg-4">
-                        <fieldset>
-                            <label>Nom de l&apos;organisme de formation</label>
-                            <Select
-                                placeholder={'Tous les organismes'}
-                                trackingId="Nom de l'organisme de formation"
-                                loading={store.loading}
-                                value={this.state.siren}
-                                options={store.sirens}
-                                optionKey="siren"
-                                optionLabel="name"
-                                onChange={(option) => {
-                                    this.setState({ siren: option ? option.siren : null, numeroFormation: null, siret: '' }, () => {
-                                        if (option) {
-                                            loadFormations(option.siren);
-                                        }
-                                    });
-                                }}
-                            />
-                        </fieldset>
+                        <label for="nom-organisme">Nom de l&apos;organisme de formation</label>
+                        <Select
+                            id="nom-organisme"
+                            placeholder={'Tous les organismes'}
+                            trackingId="Nom de l'organisme de formation"
+                            loading={store.loading}
+                            value={this.state.siren}
+                            options={store.sirens}
+                            optionKey="siren"
+                            optionLabel="name"
+                            onChange={(option) => {
+                                this.setState({ siren: option ? option.siren : null, numeroFormation: null, siret: '' }, () => {
+                                    if (option) {
+                                        loadFormations(option.siren);
+                                    }
+                                });
+                            }}
+                        />
                     </div>
                     {this.state.siren && (
                         <div className={`form-group col-lg-4`}>
-                            <fieldset>
-                                <label>Formation</label>
-                                <Select
-                                    placeholder={'Toutes les formations'}
-                                    trackingId="Formation"
-                                    loading={store.loading}
-                                    value={this.state.numeroFormation}
-                                    options={store.formations}
-                                    optionKey="numeroFormation"
-                                    optionLabel="title"
-                                    onChange={(option) => this.setState({ numeroFormation: option ? option.numeroFormation : null })}
-                                />
-                            </fieldset>
+                            <label for="formation">Formation</label>
+                            <Select
+                                id="formation"
+                                placeholder={'Toutes les formations'}
+                                trackingId="Formation"
+                                loading={store.loading}
+                                value={this.state.numeroFormation}
+                                options={store.formations}
+                                optionKey="numeroFormation"
+                                optionLabel="title"
+                                onChange={(option) => this.setState({ numeroFormation: option ? option.numeroFormation : null })}
+                            />
                         </div>
                     )}
                     {this.mustShowFinanceurFilter() && (
                         <>
                             <div className="form-group col-lg-5 col-xl-5">
-                                <fieldset>
-                                    <label>Financeur</label>
-                                    <Select
-                                        placeholder={'Tous les financeurs'}
-                                        trackingId="Financeur"
-                                        loading={store.loading}
-                                        value={this.state.codeFinanceur}
-                                        options={store.financeurs}
-                                        optionKey="code"
-                                        optionLabel="label"
-                                        onChange={(option) => this.setState({ codeFinanceur: option ? option.code : null })}
-                                    />
-                                </fieldset>
+                                <label for="financeur">Financeur</label>
+                                <Select
+                                  id="financeur"
+                                    placeholder={'Tous les financeurs'}
+                                    trackingId="Financeur"
+                                    loading={store.loading}
+                                    value={this.state.codeFinanceur}
+                                    options={store.financeurs}
+                                    optionKey="code"
+                                    optionLabel="label"
+                                    onChange={(option) => this.setState({ codeFinanceur: option ? option.code : null })}
+                                />
                             </div>
                             <div className="form-group col-lg-5 col-xl-5">
-                                <fieldset>
-                                    <label>Dispositif de financement</label>
-                                    <Select
-                                        placeholder={'Tous les dispositifs'}
-                                        trackingId="Dispositif"
-                                        loading={store.loading}
-                                        value={this.state.dispositifFinancement}
-                                        options={store.dispositifs}
-                                        optionKey="code"
-                                        optionLabel="code"
-                                        onChange={(option) => this.setState({ dispositifFinancement: option ? option.code : null })}
-                                    />
-                                </fieldset>
+                                <label for="dispositif">Dispositif de financement</label>
+                                <Select
+                                  id="dispositif"
+                                    placeholder={'Tous les dispositifs'}
+                                    trackingId="Dispositif"
+                                    loading={store.loading}
+                                    value={this.state.dispositifFinancement}
+                                    options={store.dispositifs}
+                                    optionKey="code"
+                                    optionLabel="code"
+                                    onChange={(option) => this.setState({ dispositifFinancement: option ? option.code : null })}
+                                />
                             </div>
                         </>
                     )}
diff --git a/ui/src/backoffice/components/financeur/components/FinanceurForm.scss b/ui/src/backoffice/components/financeur/components/FinanceurForm.scss
index d02d7e17c..c23ae2b32 100644
--- a/ui/src/backoffice/components/financeur/components/FinanceurForm.scss
+++ b/ui/src/backoffice/components/financeur/components/FinanceurForm.scss
@@ -1,9 +1,8 @@
 @import 'src/common/styles/variables';
 
 .champ-texte {
-  background-color: $color-grey-25;
   box-shadow: unset;
-  border: 1px solid $color-grey-25;
+  border: 1px solid $color-black;
   border-radius: 6px;
   padding: 0.1rem;
 
diff --git a/ui/src/backoffice/components/moderateur/ModerateurHeaderItems.jsx b/ui/src/backoffice/components/moderateur/ModerateurHeaderItems.jsx
index a9cff3a08..40783d2f5 100644
--- a/ui/src/backoffice/components/moderateur/ModerateurHeaderItems.jsx
+++ b/ui/src/backoffice/components/moderateur/ModerateurHeaderItems.jsx
@@ -39,6 +39,7 @@ export default class ModerateurHeaderItems extends React.Component {
         let isEmailsPreview = router.isActive('/backoffice/moderateur/emails');
 
         return (
+            <nav aria-label="principale">
             <ul className="nav">
                 <li className="nav-item">
                     <Link
@@ -93,6 +94,7 @@ export default class ModerateurHeaderItems extends React.Component {
                     </Link>
                 </li>
             </ul>
+            </nav>
         );
 
     }
diff --git a/ui/src/backoffice/components/organisme/OrganismeHeaderItems.jsx b/ui/src/backoffice/components/organisme/OrganismeHeaderItems.jsx
index 3a8b44a11..0d58a25d4 100644
--- a/ui/src/backoffice/components/organisme/OrganismeHeaderItems.jsx
+++ b/ui/src/backoffice/components/organisme/OrganismeHeaderItems.jsx
@@ -4,6 +4,7 @@ import Link from '../common/header/Link';
 export default function OrganismeHeaderItems() {
 
     return (
+		<nav aria-label="principale">
         <ul className="nav">
             <li className="nav-item">
                 <Link className="nav-link" url="/backoffice/organisme/avis/liste?dispensateur=true&amp;responsable=true">
@@ -16,6 +17,7 @@ export default function OrganismeHeaderItems() {
                 </Link>
             </li>
         </ul>
+		</nav>
     );
 }
 
diff --git a/ui/src/backoffice/components/organisme/components/OrganismeAvisPanel.jsx b/ui/src/backoffice/components/organisme/components/OrganismeAvisPanel.jsx
index 975ee6982..1ae1601e0 100644
--- a/ui/src/backoffice/components/organisme/components/OrganismeAvisPanel.jsx
+++ b/ui/src/backoffice/components/organisme/components/OrganismeAvisPanel.jsx
@@ -168,11 +168,12 @@ export default class OrganismeAvisPanel extends React.Component {
                         <AvisResults
                             results={results}
                             message={message}
-                            renderAvis={avis => {
+                            renderAvis={(avis, index) => {
                                 const compteConnecteEstLeSirenFormateur = avis.formation.action.organisme_formateur.siret && this.context.account.siret &&
                                     avis.formation.action.organisme_formateur.siret.substring(0, 9) === this.context.account.siret.substring(0, 9);
                                 return <Avis
                                     avis={avis}
+									index={index}
                                     showReponse={compteConnecteEstLeSirenFormateur}
                                     showReponseButtons={compteConnecteEstLeSirenFormateur}
                                     renderWorkflow={avis => {
diff --git a/ui/src/backoffice/components/organisme/components/OrganismeForm.jsx b/ui/src/backoffice/components/organisme/components/OrganismeForm.jsx
index 858ab223b..d00d19786 100644
--- a/ui/src/backoffice/components/organisme/components/OrganismeForm.jsx
+++ b/ui/src/backoffice/components/organisme/components/OrganismeForm.jsx
@@ -76,7 +76,7 @@ export default class OrganismeForm extends React.Component {
                 <div className="form-row">
                     <div className="form-group col-lg-6 col-xl-3">
                         <fieldset>
-                            <label>Période</label>
+                            <legend>Période</legend>
                             <Periode
                                 periode={{ debut: this.state.debut, fin: this.state.fin }}
                                 min={moment('2016-01-01T00:00:00Z').toDate()}