diff --git a/aws-b2bi-transformer/aws-b2bi-transformer.json b/aws-b2bi-transformer/aws-b2bi-transformer.json
index fe9ca7d..b797e57 100644
--- a/aws-b2bi-transformer/aws-b2bi-transformer.json
+++ b/aws-b2bi-transformer/aws-b2bi-transformer.json
@@ -166,6 +166,7 @@
   ],
   "readOnlyProperties": [
     "/properties/CreatedAt",
+    "/properties/ModifiedAt",
     "/properties/TransformerArn",
     "/properties/TransformerId"
   ],
@@ -177,6 +178,7 @@
       "permissions": [
         "b2bi:CreateTransformer",
         "b2bi:TagResource",
+        "b2bi:UpdateTransformer",
         "logs:CreateLogDelivery",
         "logs:CreateLogGroup",
         "logs:CreateLogStream",
@@ -190,8 +192,8 @@
     },
     "read": {
       "permissions": [
-        "b2bi:ListTagsForResource",
-        "b2bi:GetTransformer"
+        "b2bi:GetTransformer",
+        "b2bi:ListTagsForResource"
       ]
     },
     "update": {
diff --git a/aws-b2bi-transformer/docs/README.md b/aws-b2bi-transformer/docs/README.md
index e87494e..9ff5425 100644
--- a/aws-b2bi-transformer/docs/README.md
+++ b/aws-b2bi-transformer/docs/README.md
@@ -15,7 +15,6 @@ To declare this entity in your AWS CloudFormation template, use the following sy
         "<a href="#editype" title="EdiType">EdiType</a>" : <i><a href="editype.md">EdiType</a></i>,
         "<a href="#fileformat" title="FileFormat">FileFormat</a>" : <i>String</i>,
         "<a href="#mappingtemplate" title="MappingTemplate">MappingTemplate</a>" : <i>String</i>,
-        "<a href="#modifiedat" title="ModifiedAt">ModifiedAt</a>" : <i>String</i>,
         "<a href="#name" title="Name">Name</a>" : <i>String</i>,
         "<a href="#sampledocument" title="SampleDocument">SampleDocument</a>" : <i>String</i>,
         "<a href="#status" title="Status">Status</a>" : <i>String</i>,
@@ -32,7 +31,6 @@ Properties:
     <a href="#editype" title="EdiType">EdiType</a>: <i><a href="editype.md">EdiType</a></i>
     <a href="#fileformat" title="FileFormat">FileFormat</a>: <i>String</i>
     <a href="#mappingtemplate" title="MappingTemplate">MappingTemplate</a>: <i>String</i>
-    <a href="#modifiedat" title="ModifiedAt">ModifiedAt</a>: <i>String</i>
     <a href="#name" title="Name">Name</a>: <i>String</i>
     <a href="#sampledocument" title="SampleDocument">SampleDocument</a>: <i>String</i>
     <a href="#status" title="Status">Status</a>: <i>String</i>
@@ -70,14 +68,6 @@ _Maximum Length_: <code>350000</code>
 
 _Update requires_: [No interruption](https://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/using-cfn-updating-stacks-update-behaviors.html#update-no-interrupt)
 
-#### ModifiedAt
-
-_Required_: No
-
-_Type_: String
-
-_Update requires_: [No interruption](https://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/using-cfn-updating-stacks-update-behaviors.html#update-no-interrupt)
-
 #### Name
 
 _Required_: Yes
@@ -134,6 +124,10 @@ For more information about using the `Fn::GetAtt` intrinsic function, see [Fn::G
 
 Returns the <code>CreatedAt</code> value.
 
+#### ModifiedAt
+
+Returns the <code>ModifiedAt</code> value.
+
 #### TransformerArn
 
 Returns the <code>TransformerArn</code> value.
diff --git a/aws-b2bi-transformer/src/main/kotlin/software/amazon/b2bi/transformer/CreateHandler.kt b/aws-b2bi-transformer/src/main/kotlin/software/amazon/b2bi/transformer/CreateHandler.kt
index e8cb00f..92eb300 100644
--- a/aws-b2bi-transformer/src/main/kotlin/software/amazon/b2bi/transformer/CreateHandler.kt
+++ b/aws-b2bi-transformer/src/main/kotlin/software/amazon/b2bi/transformer/CreateHandler.kt
@@ -5,6 +5,8 @@ import software.amazon.cloudformation.proxy.*
 import software.amazon.awssdk.services.b2bi.B2BiClient
 import software.amazon.awssdk.services.b2bi.model.CreateTransformerRequest
 import software.amazon.awssdk.services.b2bi.model.CreateTransformerResponse
+import software.amazon.awssdk.services.b2bi.model.TransformerStatus
+import software.amazon.awssdk.services.b2bi.model.UpdateTransformerRequest
 import software.amazon.b2bi.transformer.TagHelper.convertToList
 import software.amazon.b2bi.transformer.TagHelper.getNewDesiredTags
 import software.amazon.b2bi.transformer.Translator.toCfnException
@@ -30,10 +32,12 @@ class CreateHandler : BaseHandlerStd() {
                 proxy.initiate(OPERATION, proxyClient, progress.resourceModel, progress.callbackContext)
                     .translateToServiceRequest(Translator::translateToCreateRequest)
                     .makeServiceCall { awsRequest, client -> createTransformer(awsRequest, client, resourceModel) }
+                    .stabilize { _, _, client, resourceModel, _ -> stabilizeTransformer(resourceModel, client) }
                     .progress()
             }
             .then { progress -> ProgressEvent.defaultSuccessHandler(progress.resourceModel) }
     }
+
     private fun createTransformer(
         request: CreateTransformerRequest,
         proxyClient: ProxyClient<B2BiClient>,
@@ -48,12 +52,35 @@ class CreateHandler : BaseHandlerStd() {
             transformerId = response.transformerId()
             transformerArn = response.transformerArn()
             createdAt = response.createdAt().toString()
-            status = response.status().toString()
         }
         logger.log("Successfully created ${ResourceModel.TYPE_NAME} ${resourceModel.transformerId}")
         return response
     }
 
+    private fun stabilizeTransformer(
+        resourceModel: ResourceModel,
+        proxyClient: ProxyClient<B2BiClient>,
+    ): Boolean {
+        val requestedTransformerStatus = resourceModel.status
+        if (requestedTransformerStatus != TransformerStatus.ACTIVE.toString()) {
+            resourceModel.apply {
+                status = TransformerStatus.INACTIVE.toString()
+            }
+            return true
+        }
+
+        val updateTransformerRequest = Translator.translateToUpdateRequest(resourceModel)
+        val updateTransformerResponse = try {
+            proxyClient.injectCredentialsAndInvokeV2(updateTransformerRequest, proxyClient.client()::updateTransformer)
+        } catch (e: AwsServiceException) {
+            throw e.toCfnException()
+        }
+        resourceModel.apply {
+            status = updateTransformerResponse.statusAsString()
+        }
+        return true
+    }
+
     companion object {
         private const val OPERATION = "AWS-B2BI-Transformer::Create"
     }
diff --git a/aws-b2bi-transformer/src/main/kotlin/software/amazon/b2bi/transformer/Translator.kt b/aws-b2bi-transformer/src/main/kotlin/software/amazon/b2bi/transformer/Translator.kt
index f281a44..a88f598 100644
--- a/aws-b2bi-transformer/src/main/kotlin/software/amazon/b2bi/transformer/Translator.kt
+++ b/aws-b2bi-transformer/src/main/kotlin/software/amazon/b2bi/transformer/Translator.kt
@@ -1,21 +1,36 @@
 package software.amazon.b2bi.transformer
 
-import com.google.common.collect.Lists
-import software.amazon.awssdk.awscore.AwsRequest
-import software.amazon.awssdk.awscore.AwsResponse
 import software.amazon.awssdk.awscore.exception.AwsServiceException
-import software.amazon.awssdk.services.b2bi.model.*
+import software.amazon.awssdk.services.b2bi.model.AccessDeniedException
+import software.amazon.awssdk.services.b2bi.model.ConflictException
+import software.amazon.awssdk.services.b2bi.model.CreateTransformerRequest
+import software.amazon.awssdk.services.b2bi.model.DeleteTransformerRequest
+import software.amazon.awssdk.services.b2bi.model.GetTransformerRequest
+import software.amazon.awssdk.services.b2bi.model.GetTransformerResponse
+import software.amazon.awssdk.services.b2bi.model.InternalServerException
+import software.amazon.awssdk.services.b2bi.model.ListTransformersRequest
+import software.amazon.awssdk.services.b2bi.model.ListTransformersResponse
 import software.amazon.awssdk.services.b2bi.model.ResourceNotFoundException
-import software.amazon.awssdk.services.b2bi.model.X12Details
+import software.amazon.awssdk.services.b2bi.model.ServiceQuotaExceededException
+import software.amazon.awssdk.services.b2bi.model.TagResourceRequest
+import software.amazon.awssdk.services.b2bi.model.ThrottlingException
+import software.amazon.awssdk.services.b2bi.model.UntagResourceRequest
+import software.amazon.awssdk.services.b2bi.model.UpdateTransformerRequest
+import software.amazon.awssdk.services.b2bi.model.ValidationException
 import software.amazon.b2bi.transformer.TagHelper.toSdkTag
-import software.amazon.cloudformation.exceptions.*
-import java.util.*
-import java.util.stream.Collectors
-import java.util.stream.Stream
-import software.amazon.b2bi.transformer.EdiType as ResourceEdi
+import software.amazon.cloudformation.exceptions.BaseHandlerException
+import software.amazon.cloudformation.exceptions.CfnAccessDeniedException
+import software.amazon.cloudformation.exceptions.CfnAlreadyExistsException
+import software.amazon.cloudformation.exceptions.CfnGeneralServiceException
+import software.amazon.cloudformation.exceptions.CfnInvalidRequestException
+import software.amazon.cloudformation.exceptions.CfnNotFoundException
+import software.amazon.cloudformation.exceptions.CfnServiceInternalErrorException
+import software.amazon.cloudformation.exceptions.CfnServiceLimitExceededException
+import software.amazon.cloudformation.exceptions.CfnThrottlingException
 import software.amazon.awssdk.services.b2bi.model.EdiType as SdkEdi
-import software.amazon.b2bi.transformer.X12Details as ResourceX12
 import software.amazon.awssdk.services.b2bi.model.X12Details as SdkX12
+import software.amazon.b2bi.transformer.EdiType as ResourceEdi
+import software.amazon.b2bi.transformer.X12Details as ResourceX12
 
 /**
  * This class is a centralized placeholder for
@@ -53,7 +68,7 @@ object Translator {
 
     /**
      * Translates resource object from sdk into a resource model
-     * @param awsResponse the aws service describe resource response
+     * @param response the aws service describe resource response
      * @return model resource model
      */
     fun translateFromReadResponse(response: GetTransformerResponse): ResourceModel {
@@ -114,7 +129,7 @@ object Translator {
 
     /**
      * Translates resource objects from sdk into a resource model (primary identifier only)
-     * @param awsResponse the aws service describe resource response
+     * @param response the aws service describe resource response
      * @return list of resource models
      */
     fun translateFromListResponse(response: ListTransformersResponse): List<ResourceModel> {
diff --git a/aws-b2bi-transformer/src/main/kotlin/software/amazon/b2bi/transformer/UpdateHandler.kt b/aws-b2bi-transformer/src/main/kotlin/software/amazon/b2bi/transformer/UpdateHandler.kt
index ea3d392..f2c3767 100644
--- a/aws-b2bi-transformer/src/main/kotlin/software/amazon/b2bi/transformer/UpdateHandler.kt
+++ b/aws-b2bi-transformer/src/main/kotlin/software/amazon/b2bi/transformer/UpdateHandler.kt
@@ -1,12 +1,9 @@
 package software.amazon.b2bi.transformer
 
-import software.amazon.awssdk.awscore.AwsResponse
 import software.amazon.awssdk.awscore.exception.AwsServiceException
-import software.amazon.awssdk.core.SdkClient
 import software.amazon.awssdk.services.b2bi.B2BiClient
 import software.amazon.awssdk.services.b2bi.model.UpdateTransformerRequest
 import software.amazon.awssdk.services.b2bi.model.UpdateTransformerResponse
-import software.amazon.b2bi.transformer.Translator.translateToResourceEdi
 import software.amazon.b2bi.transformer.TagHelper.convertToList
 import software.amazon.b2bi.transformer.TagHelper.generateTagsToAdd
 import software.amazon.b2bi.transformer.TagHelper.generateTagsToRemove
@@ -16,8 +13,12 @@ import software.amazon.b2bi.transformer.TagHelper.shouldUpdateTags
 import software.amazon.b2bi.transformer.TagHelper.tagResource
 import software.amazon.b2bi.transformer.TagHelper.untagResource
 import software.amazon.b2bi.transformer.Translator.toCfnException
-import software.amazon.cloudformation.exceptions.CfnGeneralServiceException
-import software.amazon.cloudformation.proxy.*
+import software.amazon.b2bi.transformer.Translator.translateToResourceEdi
+import software.amazon.cloudformation.proxy.AmazonWebServicesClientProxy
+import software.amazon.cloudformation.proxy.Logger
+import software.amazon.cloudformation.proxy.ProgressEvent
+import software.amazon.cloudformation.proxy.ProxyClient
+import software.amazon.cloudformation.proxy.ResourceHandlerRequest
 
 class UpdateHandler : BaseHandlerStd() {
     private lateinit var logger: Logger
@@ -94,5 +95,4 @@ class UpdateHandler : BaseHandlerStd() {
     companion object {
         private const val OPERATION = "AWS-B2BI-Transformer::Update"
     }
-
 }
diff --git a/aws-b2bi-transformer/src/test/kotlin/software/amazon/b2bi/transformer/CreateHandlerTest.kt b/aws-b2bi-transformer/src/test/kotlin/software/amazon/b2bi/transformer/CreateHandlerTest.kt
index 464904e..a1b48e9 100644
--- a/aws-b2bi-transformer/src/test/kotlin/software/amazon/b2bi/transformer/CreateHandlerTest.kt
+++ b/aws-b2bi-transformer/src/test/kotlin/software/amazon/b2bi/transformer/CreateHandlerTest.kt
@@ -38,6 +38,7 @@ class CreateHandlerTest : AbstractTestBase() {
         proxyClient = mockProxy(proxy, b2BiClient)
     }
 
+    @AfterEach
     fun reset() {
         clearAllMocks()
     }
diff --git a/aws-b2bi-transformer/src/test/kotlin/software/amazon/b2bi/transformer/TestData.kt b/aws-b2bi-transformer/src/test/kotlin/software/amazon/b2bi/transformer/TestData.kt
index 760e6ed..43d41ed 100644
--- a/aws-b2bi-transformer/src/test/kotlin/software/amazon/b2bi/transformer/TestData.kt
+++ b/aws-b2bi-transformer/src/test/kotlin/software/amazon/b2bi/transformer/TestData.kt
@@ -6,6 +6,7 @@ import software.amazon.awssdk.services.b2bi.model.GetTransformerResponse
 import software.amazon.awssdk.services.b2bi.model.ListTransformersResponse
 import software.amazon.awssdk.services.b2bi.model.ListTagsForResourceResponse
 import software.amazon.awssdk.services.b2bi.model.Logging
+import software.amazon.awssdk.services.b2bi.model.TransformerStatus
 import software.amazon.awssdk.services.b2bi.model.TransformerSummary
 import software.amazon.awssdk.services.b2bi.model.UpdateTransformerResponse
 import software.amazon.b2bi.transformer.TagHelper.toSdkTag
@@ -22,7 +23,7 @@ val TEST_X12: X12Details = X12Details.builder().transactionSet(TEST_TRANSACTION_
 const val TEST_NAME  = "Test transformer name"
 const val TEST_FILE_FORMAT = "JSON"
 const val TEST_MAPPING_TEMPLATE = "test mapping template"
-const val TEST_TRANSFORMER_STATUS = "active"
+val TEST_TRANSFORMER_STATUS = TransformerStatus.INACTIVE.toString()
 val TEST_RESOURCE_EDI_TYPE: EdiType = EdiType.builder().x12Details(TEST_X12).build()
 val TEST_SDK_EDI_TYPE = TEST_RESOURCE_EDI_TYPE.translateToSdkEdi()
 const val TEST_TRANSFORMER_ID = "t-12345678901234567"
@@ -48,6 +49,7 @@ val TEST_CREATE_TRANSFORMER_REQUEST_RESOURCE_MODEL_WITH_REQUIRED_FIELDS = Resour
     .fileFormat(TEST_FILE_FORMAT)
     .mappingTemplate(TEST_MAPPING_TEMPLATE)
     .ediType(TEST_RESOURCE_EDI_TYPE)
+    .status(TEST_TRANSFORMER_STATUS)
     .tags(emptyList())
     .createdAt(TEST_INSTANT.toString())
     .modifiedAt(TEST_INSTANT.toString())
@@ -177,4 +179,4 @@ val TEST_UPDATE_TRANSFORMER_RESPONSE_RESOURCE_MODEL_WITH_ALL_FIELDS = ResourceMo
     .fileFormat(TEST_FILE_FORMAT)
     .status(TEST_TRANSFORMER_STATUS)
     .tags(emptyList())
-    .build()
\ No newline at end of file
+    .build()