diff --git a/lib/recurly/requests/billing_info_create.rb b/lib/recurly/requests/billing_info_create.rb
index ffc7cbf1d..768527124 100644
--- a/lib/recurly/requests/billing_info_create.rb
+++ b/lib/recurly/requests/billing_info_create.rb
@@ -30,6 +30,10 @@ class BillingInfoCreate < Request
       #   @return [String] Company name
       define_attribute :company, String
 
+      # @!attribute currency
+      #   @return [String] 3-letter ISO 4217 currency code.
+      define_attribute :currency, String
+
       # @!attribute cvv
       #   @return [String] *STRONGLY RECOMMENDED*
       define_attribute :cvv, String
diff --git a/lib/recurly/resources/custom_field_definition.rb b/lib/recurly/resources/custom_field_definition.rb
index b35c9b659..8cb6bcd6b 100644
--- a/lib/recurly/resources/custom_field_definition.rb
+++ b/lib/recurly/resources/custom_field_definition.rb
@@ -43,7 +43,7 @@ class CustomFieldDefinition < Resource
       define_attribute :updated_at, DateTime
 
       # @!attribute user_access
-      #   @return [String] The access control applied inside Recurly's admin UI: - `api_only` - No one will be able to view or edit this field's data via the admin UI. - `read_only` - Users with the Customers role will be able to view this field's data via the admin UI, but   editing will only be available via the API. - `write` - Users with the Customers role will be able to view and edit this field's data via the admin UI.
+      #   @return [String] The access control applied inside Recurly's admin UI: - `api_only` - No one will be able to view or edit this field's data via the admin UI. - `read_only` - Users with the Customers role will be able to view this field's data via the admin UI, but   editing will only be available via the API. - `write` - Users with the Customers role will be able to view and edit this field's data via the admin UI. - `set_only` - Users with the Customers role will be able to set this field's data via the admin console.
       define_attribute :user_access, String
     end
   end
diff --git a/lib/recurly/resources/invoice.rb b/lib/recurly/resources/invoice.rb
index ec1cecc25..0e379f1d5 100644
--- a/lib/recurly/resources/invoice.rb
+++ b/lib/recurly/resources/invoice.rb
@@ -142,6 +142,10 @@ class Invoice < Resource
       #   @return [DateTime] Last updated at
       define_attribute :updated_at, DateTime
 
+      # @!attribute used_tax_service
+      #   @return [Boolean] Will be `true` when the invoice had a successful response from the tax service and `false` when the invoice was not sent to tax service due to a lack of address or enabled jurisdiction or was processed without tax due to a non-blocking error returned from the tax service.
+      define_attribute :used_tax_service, :Boolean
+
       # @!attribute vat_number
       #   @return [String] VAT registration number for the customer on this invoice. This will come from the VAT Number field in the Billing Info or the Account Info depending on your tax settings and the invoice collection method.
       define_attribute :vat_number, String
diff --git a/openapi/api.yaml b/openapi/api.yaml
index 10fdb2318..b553f47ed 100644
--- a/openapi/api.yaml
+++ b/openapi/api.yaml
@@ -224,8 +224,8 @@ tags:
   x-displayName: Site
 - name: custom_field_definition
   x-displayName: Custom Field Definition
-  description: Describes the fields that can use used as custom fields on accounts
-    or subscriptions.
+  description: Describes the fields that can be used as custom fields on accounts,
+    items, line-items (one time charges), plans, or subscriptions.
 - name: item
   x-displayName: Item
   description: |-
@@ -15561,7 +15561,9 @@ components:
           - es-MX
           - es-US
           - fi-FI
+          - fr-BE
           - fr-CA
+          - fr-CH
           - fr-FR
           - hi-IN
           - it-IT
@@ -15698,7 +15700,9 @@ components:
           - es-MX
           - es-US
           - fi-FI
+          - fr-BE
           - fr-CA
+          - fr-CH
           - fr-FR
           - hi-IN
           - it-IT
@@ -16619,6 +16623,9 @@ components:
           title: Security code or CVV
           description: "*STRONGLY RECOMMENDED*"
           maxLength: 4
+        currency:
+          type: string
+          description: 3-letter ISO 4217 currency code.
         vat_number:
           type: string
           title: VAT number
@@ -17468,10 +17475,12 @@ components:
             - `read_only` - Users with the Customers role will be able to view this field's data via the admin UI, but
               editing will only be available via the API.
             - `write` - Users with the Customers role will be able to view and edit this field's data via the admin UI.
+            - `set_only` - Users with the Customers role will be able to set this field's data via the admin console.
           enum:
           - api_only
           - read_only
           - write
+          - set_only
         display_name:
           type: string
           title: Display name
@@ -17966,6 +17975,13 @@ components:
           description: The outstanding balance remaining on this invoice.
         tax_info:
           "$ref": "#/components/schemas/TaxInfo"
+        used_tax_service:
+          type: boolean
+          title: Used Tax Service?
+          description: Will be `true` when the invoice had a successful response from
+            the tax service and `false` when the invoice was not sent to tax service
+            due to a lack of address or enabled jurisdiction or was processed without
+            tax due to a non-blocking error returned from the tax service.
         vat_number:
           type: string
           title: VAT number