diff --git a/specification/cognitiveservices/data-plane/LanguageAnalyzeText/client.tsp b/specification/cognitiveservices/data-plane/LanguageAnalyzeText/client.tsp
index 1bdb7d454ef5..70aeb3180031 100644
--- a/specification/cognitiveservices/data-plane/LanguageAnalyzeText/client.tsp
+++ b/specification/cognitiveservices/data-plane/LanguageAnalyzeText/client.tsp
@@ -556,6 +556,49 @@ namespace Language.AnalyzeTextClientCustomizations;
 );
 @@clientName(PiiEntityWithTags, "PiiEntity");
 
+@@clientName(PiiResultWithDetectedLanguage, "PiiActionResult", "csharp");
+
+@@clientName(PiiLROTask, "PiiOperationAction", "csharp");
+@@clientName(PiiLROTask.parameters, "ActionContent", "csharp");
+
+@@clientName(KeyPhraseLROTask, "KeyPhraseOperationAction", "csharp");
+@@clientName(KeyPhraseLROTask.parameters, "ActionContent", "csharp");
+
+@@clientName(HealthcareLROTask, "HealthcareOperationAction", "csharp");
+@@clientName(HealthcareLROTask.parameters, "ActionContent", "csharp");
+@@clientName(HealthcareTaskParameters, "HealthcareActionContent", "csharp");
+
+@@clientName(EntitiesLROTask, "EntitiesOperationAction", "csharp");
+@@clientName(EntitiesLROTask.parameters, "ActionContent", "csharp");
+
+@@clientName(EntityLinkingLROTask, "EntityLinkingOperationAction", "csharp");
+@@clientName(EntityLinkingLROTask.parameters, "ActionContent", "csharp");
+
+@@clientName(CustomEntitiesLROTask, "CustomEntitiesOperationAction", "csharp");
+@@clientName(CustomEntitiesLROTask.parameters, "ActionContent", "csharp");
+@@clientName(CustomEntitiesTaskParameters,
+  "CustomEntitiesActionContent",
+  "csharp"
+);
+
+@@clientName(AnalyzeTextJobState, "AnalyzeTextOperationState", "csharp");
+@@clientName(AnalyzeTextJobState.tasks, "Actions", "csharp");
+
+@@access(AnalyzeTextLROResult, Access.public, "csharp");
+@@clientName(AnalyzeTextLROResult, "AnalyzeTextOperationResult", "csharp");
+@@clientName(AnalyzeTextLROResult.taskName, "Name", "csharp");
+
+@@clientName(AnalyzeTextLROResultsKind,
+  "AnalyzeTextOperationResultsKind",
+  "csharp"
+);
+
+@@clientName(HealthcareLROResult, "HealthcareOperationResult", "csharp");
+
+@@clientName(analyzeTextSubmitJob, "AnalyzeTextSubmitOperation", "csharp");
+@@clientName(analyzeTextJobStatus, "AnalyzeTextOperationStatus", "csharp");
+@@clientName(analyzeTextCancelJob, "AnalyzeTextCancelOperation", "csharp");
+
 @@clientName(analyzeTextSubmitJob, "analyzeTextJob", "python");
 @@clientName(analyzeTextCancelJob, "cancelJob", "python");
 @@clientName(analyzeTextJobStatus, "getJobStatus", "python");
diff --git a/specification/cognitiveservices/data-plane/LanguageAnalyzeText/models/pii.entity.recognition.tsp b/specification/cognitiveservices/data-plane/LanguageAnalyzeText/models/pii.entity.recognition.tsp
index 6dfd509622cf..c0d92958fc2c 100644
--- a/specification/cognitiveservices/data-plane/LanguageAnalyzeText/models/pii.entity.recognition.tsp
+++ b/specification/cognitiveservices/data-plane/LanguageAnalyzeText/models/pii.entity.recognition.tsp
@@ -91,7 +91,7 @@ model ConfidenceScoreThresholdOverride {
   value: float32;
 
   /** The 2 letter ISO 639-1 language for which the override applies. If not specified, the override applies to all languages. */
-  language: string;
+  language?: string;
 }
 
 /** The entity synonyms used to enhance pii entity detection */
@@ -131,7 +131,7 @@ model BaseRedactionPolicy {
 
   /** (Optional) flag to indicate whether this redaction policy is the default policy to be applied when no specific policy is defined for a PII category. Only one policy can be marked as default. */
   @added(Versions.v2025_11_15_preview)
-  isDefaultPolicy?: boolean = false;
+  isDefault?: boolean = false;
 }
 
 /** Represents the policy of redacting with a redaction character */
diff --git a/specification/cognitiveservices/data-plane/LanguageAnalyzeText/preview/2025-11-15-preview/analyzetext.json b/specification/cognitiveservices/data-plane/LanguageAnalyzeText/preview/2025-11-15-preview/analyzetext.json
index 38f5c10c035b..37f39bd1bee0 100644
--- a/specification/cognitiveservices/data-plane/LanguageAnalyzeText/preview/2025-11-15-preview/analyzetext.json
+++ b/specification/cognitiveservices/data-plane/LanguageAnalyzeText/preview/2025-11-15-preview/analyzetext.json
@@ -1434,7 +1434,7 @@
           "type": "string",
           "description": "(Optional) name of the redaction policy for identification purposes."
         },
-        "isDefaultPolicy": {
+        "isDefault": {
           "type": "boolean",
           "description": "(Optional) flag to indicate whether this redaction policy is the default policy to be applied when no specific policy is defined for a PII category. Only one policy can be marked as default.",
           "default": false
@@ -1728,8 +1728,7 @@
       },
       "required": [
         "entity",
-        "value",
-        "language"
+        "value"
       ]
     },
     "CurrencyMetadata": {
diff --git a/specification/cognitiveservices/data-plane/LanguageAnalyzeText/tspconfig.yaml b/specification/cognitiveservices/data-plane/LanguageAnalyzeText/tspconfig.yaml
index 7c3585d1ddf4..4d75648e96b1 100644
--- a/specification/cognitiveservices/data-plane/LanguageAnalyzeText/tspconfig.yaml
+++ b/specification/cognitiveservices/data-plane/LanguageAnalyzeText/tspconfig.yaml
@@ -18,6 +18,7 @@ options:
     clear-output-folder: true
     model-namespace: false
     namespace: "Azure.AI.Language.Text"
+    package-dir: "Azure.AI.Language.Text"
     flavor: azure
   "@azure-tools/typespec-python":
     emitter-output-dir: "{output-dir}/{service-dir}/azure-ai-textanalytics"
@@ -30,4 +31,5 @@ options:
   "@azure-typespec/http-client-csharp":
     emitter-output-dir: "{output-dir}/{service-dir}/{namespace}"
     namespace: Azure.AI.Language.Text
+    package-dir: "Azure.AI.Language.Text"
     model-namespace: false