diff --git a/sdk/openai/inference/examples/azure_chat_completions.rs b/sdk/openai/inference/examples/azure_chat_completions.rs
index f4561e1370..1e0da9b73a 100644
--- a/sdk/openai/inference/examples/azure_chat_completions.rs
+++ b/sdk/openai/inference/examples/azure_chat_completions.rs
@@ -1,3 +1,5 @@
+// Copyright (c) Microsoft Corporation. All rights reserved.
+// Licensed under the MIT License.
 use azure_openai_inference::{
     clients::{AzureOpenAIClient, AzureOpenAIClientMethods, ChatCompletionsClientMethods},
     AzureOpenAIClientOptions, AzureServiceVersion, CreateChatCompletionsRequest,
diff --git a/sdk/openai/inference/examples/azure_chat_completions_aad.rs b/sdk/openai/inference/examples/azure_chat_completions_aad.rs
index d9558e6196..9afab7c0af 100644
--- a/sdk/openai/inference/examples/azure_chat_completions_aad.rs
+++ b/sdk/openai/inference/examples/azure_chat_completions_aad.rs
@@ -1,3 +1,5 @@
+// Copyright (c) Microsoft Corporation. All rights reserved.
+// Licensed under the MIT License.
 use std::sync::Arc;
 
 use azure_identity::DefaultAzureCredentialBuilder;
diff --git a/sdk/openai/inference/examples/azure_chat_completions_stream.rs b/sdk/openai/inference/examples/azure_chat_completions_stream.rs
index ca5bb5f229..aaa2f24797 100644
--- a/sdk/openai/inference/examples/azure_chat_completions_stream.rs
+++ b/sdk/openai/inference/examples/azure_chat_completions_stream.rs
@@ -1,3 +1,5 @@
+// Copyright (c) Microsoft Corporation. All rights reserved.
+// Licensed under the MIT License.
 use azure_openai_inference::{
     clients::{AzureOpenAIClient, AzureOpenAIClientMethods, ChatCompletionsClientMethods},
     AzureOpenAIClientOptions, AzureServiceVersion, CreateChatCompletionsRequest,
diff --git a/sdk/openai/inference/examples/chat_completions.rs b/sdk/openai/inference/examples/chat_completions.rs
index 589e97c296..a5e6fe8261 100644
--- a/sdk/openai/inference/examples/chat_completions.rs
+++ b/sdk/openai/inference/examples/chat_completions.rs
@@ -1,3 +1,5 @@
+// Copyright (c) Microsoft Corporation. All rights reserved.
+// Licensed under the MIT License.
 use azure_openai_inference::{
     clients::{ChatCompletionsClientMethods, OpenAIClient, OpenAIClientMethods},
     CreateChatCompletionsRequest,
diff --git a/sdk/openai/inference/examples/chat_completions_stream.rs b/sdk/openai/inference/examples/chat_completions_stream.rs
index b925049be5..d7ffc6488b 100644
--- a/sdk/openai/inference/examples/chat_completions_stream.rs
+++ b/sdk/openai/inference/examples/chat_completions_stream.rs
@@ -1,3 +1,5 @@
+// Copyright (c) Microsoft Corporation. All rights reserved.
+// Licensed under the MIT License.
 use azure_openai_inference::{
     clients::{ChatCompletionsClientMethods, OpenAIClient, OpenAIClientMethods},
     CreateChatCompletionsRequest,
diff --git a/sdk/openai/inference/src/clients/azure_openai_client.rs b/sdk/openai/inference/src/clients/azure_openai_client.rs
index 3e6e1568a0..6655677e99 100644
--- a/sdk/openai/inference/src/clients/azure_openai_client.rs
+++ b/sdk/openai/inference/src/clients/azure_openai_client.rs
@@ -1,3 +1,5 @@
+// Copyright (c) Microsoft Corporation. All rights reserved.
+// Licensed under the MIT License.
 use std::sync::Arc;
 
 use crate::credentials::{AzureKeyCredential, DEFAULT_SCOPE};
diff --git a/sdk/openai/inference/src/clients/chat_completions_client.rs b/sdk/openai/inference/src/clients/chat_completions_client.rs
index d3ed88e177..9d2016c267 100644
--- a/sdk/openai/inference/src/clients/chat_completions_client.rs
+++ b/sdk/openai/inference/src/clients/chat_completions_client.rs
@@ -1,3 +1,5 @@
+// Copyright (c) Microsoft Corporation. All rights reserved.
+// Licensed under the MIT License.
 use super::{new_json_request, BaseOpenAIClientMethods};
 use crate::{
     helpers::streaming::{string_chunks, EventStreamer},
diff --git a/sdk/openai/inference/src/clients/mod.rs b/sdk/openai/inference/src/clients/mod.rs
index fbb8bd1331..85699ada28 100644
--- a/sdk/openai/inference/src/clients/mod.rs
+++ b/sdk/openai/inference/src/clients/mod.rs
@@ -1,3 +1,5 @@
+// Copyright (c) Microsoft Corporation. All rights reserved.
+// Licensed under the MIT License.
 mod azure_openai_client;
 mod chat_completions_client;
 mod openai_client;
diff --git a/sdk/openai/inference/src/clients/openai_client.rs b/sdk/openai/inference/src/clients/openai_client.rs
index cf3a51d02f..a8cad42bb1 100644
--- a/sdk/openai/inference/src/clients/openai_client.rs
+++ b/sdk/openai/inference/src/clients/openai_client.rs
@@ -1,3 +1,5 @@
+// Copyright (c) Microsoft Corporation. All rights reserved.
+// Licensed under the MIT License.
 use std::sync::Arc;
 
 use azure_core::{Policy, Result, Url};
diff --git a/sdk/openai/inference/src/credentials/azure_key_credential.rs b/sdk/openai/inference/src/credentials/azure_key_credential.rs
index b7c2d18e76..0593c9cbbe 100644
--- a/sdk/openai/inference/src/credentials/azure_key_credential.rs
+++ b/sdk/openai/inference/src/credentials/azure_key_credential.rs
@@ -1,3 +1,5 @@
+// Copyright (c) Microsoft Corporation. All rights reserved.
+// Licensed under the MIT License.
 use async_trait::async_trait;
 use std::sync::Arc;
 
diff --git a/sdk/openai/inference/src/credentials/mod.rs b/sdk/openai/inference/src/credentials/mod.rs
index 11b63877da..5b81a8355c 100644
--- a/sdk/openai/inference/src/credentials/mod.rs
+++ b/sdk/openai/inference/src/credentials/mod.rs
@@ -1,3 +1,5 @@
+// Copyright (c) Microsoft Corporation. All rights reserved.
+// Licensed under the MIT License.
 mod azure_key_credential;
 mod openai_key_credential;
 
diff --git a/sdk/openai/inference/src/credentials/openai_key_credential.rs b/sdk/openai/inference/src/credentials/openai_key_credential.rs
index a543214d91..a95cb90eba 100644
--- a/sdk/openai/inference/src/credentials/openai_key_credential.rs
+++ b/sdk/openai/inference/src/credentials/openai_key_credential.rs
@@ -1,3 +1,5 @@
+// Copyright (c) Microsoft Corporation. All rights reserved.
+// Licensed under the MIT License.
 use async_trait::async_trait;
 use std::sync::Arc;
 
diff --git a/sdk/openai/inference/src/helpers/mod.rs b/sdk/openai/inference/src/helpers/mod.rs
index c65f3f1305..2d0184ea05 100644
--- a/sdk/openai/inference/src/helpers/mod.rs
+++ b/sdk/openai/inference/src/helpers/mod.rs
@@ -1 +1,3 @@
+// Copyright (c) Microsoft Corporation. All rights reserved.
+// Licensed under the MIT License.
 pub(crate) mod streaming;
diff --git a/sdk/openai/inference/src/helpers/streaming.rs b/sdk/openai/inference/src/helpers/streaming.rs
index 95ef9b4a3d..286aced5ab 100644
--- a/sdk/openai/inference/src/helpers/streaming.rs
+++ b/sdk/openai/inference/src/helpers/streaming.rs
@@ -1,3 +1,5 @@
+// Copyright (c) Microsoft Corporation. All rights reserved.
+// Licensed under the MIT License.
 use azure_core::{Error, Result};
 use futures::{Stream, StreamExt};
 
diff --git a/sdk/openai/inference/src/lib.rs b/sdk/openai/inference/src/lib.rs
index 0587fac590..dceeb85b4d 100644
--- a/sdk/openai/inference/src/lib.rs
+++ b/sdk/openai/inference/src/lib.rs
@@ -1,3 +1,5 @@
+// Copyright (c) Microsoft Corporation. All rights reserved.
+// Licensed under the MIT License.
 pub mod clients;
 mod credentials;
 mod helpers;
diff --git a/sdk/openai/inference/src/models/chat_completions.rs b/sdk/openai/inference/src/models/chat_completions.rs
index d5a2c49c29..3f7e439ba9 100644
--- a/sdk/openai/inference/src/models/chat_completions.rs
+++ b/sdk/openai/inference/src/models/chat_completions.rs
@@ -1,3 +1,5 @@
+// Copyright (c) Microsoft Corporation. All rights reserved.
+// Licensed under the MIT License.
 pub mod request {
 
     use serde::Serialize;
diff --git a/sdk/openai/inference/src/models/mod.rs b/sdk/openai/inference/src/models/mod.rs
index 8ccec0e32c..67a1b7a918 100644
--- a/sdk/openai/inference/src/models/mod.rs
+++ b/sdk/openai/inference/src/models/mod.rs
@@ -1,3 +1,5 @@
+// Copyright (c) Microsoft Corporation. All rights reserved.
+// Licensed under the MIT License.
 mod chat_completions;
 
 pub use chat_completions::*;
diff --git a/sdk/openai/inference/src/options/azure_openai_client_options.rs b/sdk/openai/inference/src/options/azure_openai_client_options.rs
index 438f2d0543..bcdbef9047 100644
--- a/sdk/openai/inference/src/options/azure_openai_client_options.rs
+++ b/sdk/openai/inference/src/options/azure_openai_client_options.rs
@@ -1,3 +1,5 @@
+// Copyright (c) Microsoft Corporation. All rights reserved.
+// Licensed under the MIT License.
 use azure_core::ClientOptions;
 
 use crate::AzureServiceVersion;
diff --git a/sdk/openai/inference/src/options/mod.rs b/sdk/openai/inference/src/options/mod.rs
index bc1cf1eb13..a66a5734dd 100644
--- a/sdk/openai/inference/src/options/mod.rs
+++ b/sdk/openai/inference/src/options/mod.rs
@@ -1,3 +1,5 @@
+// Copyright (c) Microsoft Corporation. All rights reserved.
+// Licensed under the MIT License.
 mod azure_openai_client_options;
 mod openai_client_options;
 mod service_version;
diff --git a/sdk/openai/inference/src/options/openai_client_options.rs b/sdk/openai/inference/src/options/openai_client_options.rs
index 96f99e9355..b428727dae 100644
--- a/sdk/openai/inference/src/options/openai_client_options.rs
+++ b/sdk/openai/inference/src/options/openai_client_options.rs
@@ -1,3 +1,5 @@
+// Copyright (c) Microsoft Corporation. All rights reserved.
+// Licensed under the MIT License.
 use azure_core::ClientOptions;
 
 /// Options to be passed to [`OpenAIClient`](crate::clients::OpenAIClient).
diff --git a/sdk/openai/inference/src/options/service_version.rs b/sdk/openai/inference/src/options/service_version.rs
index c68d7b8e7f..8cfb335b80 100644
--- a/sdk/openai/inference/src/options/service_version.rs
+++ b/sdk/openai/inference/src/options/service_version.rs
@@ -1,3 +1,5 @@
+// Copyright (c) Microsoft Corporation. All rights reserved.
+// Licensed under the MIT License.
 use async_trait::async_trait;
 use std::sync::Arc;