diff --git a/sdk/cosmos/azure_data_cosmos/examples/cosmos_metadata.rs b/sdk/cosmos/azure_data_cosmos/examples/cosmos_metadata.rs
index 691d1b1707..ea40b71a74 100644
--- a/sdk/cosmos/azure_data_cosmos/examples/cosmos_metadata.rs
+++ b/sdk/cosmos/azure_data_cosmos/examples/cosmos_metadata.rs
@@ -1,3 +1,6 @@
+// Copyright (c) Microsoft Corporation. All rights reserved.
+// Licensed under the MIT License.
+
 use azure_data_cosmos::{
     clients::{ContainerClientMethods, DatabaseClientMethods},
     CosmosClient, CosmosClientMethods,
diff --git a/sdk/cosmos/azure_data_cosmos/examples/cosmos_query.rs b/sdk/cosmos/azure_data_cosmos/examples/cosmos_query.rs
index b82a3fc3fd..f89b36be92 100644
--- a/sdk/cosmos/azure_data_cosmos/examples/cosmos_query.rs
+++ b/sdk/cosmos/azure_data_cosmos/examples/cosmos_query.rs
@@ -1,3 +1,6 @@
+// Copyright (c) Microsoft Corporation. All rights reserved.
+// Licensed under the MIT License.
+
 use azure_data_cosmos::{
     clients::{ContainerClientMethods, DatabaseClientMethods},
     CosmosClient, CosmosClientMethods,
diff --git a/sdk/cosmos/azure_data_cosmos/src/clients/container_client.rs b/sdk/cosmos/azure_data_cosmos/src/clients/container_client.rs
index b920007492..d78a239a0a 100644
--- a/sdk/cosmos/azure_data_cosmos/src/clients/container_client.rs
+++ b/sdk/cosmos/azure_data_cosmos/src/clients/container_client.rs
@@ -1,3 +1,6 @@
+// Copyright (c) Microsoft Corporation. All rights reserved.
+// Licensed under the MIT License.
+
 use crate::{
     constants,
     models::{ContainerProperties, QueryResults},
diff --git a/sdk/cosmos/azure_data_cosmos/src/clients/cosmos_client.rs b/sdk/cosmos/azure_data_cosmos/src/clients/cosmos_client.rs
index 6e1ddb8efb..625cbea024 100644
--- a/sdk/cosmos/azure_data_cosmos/src/clients/cosmos_client.rs
+++ b/sdk/cosmos/azure_data_cosmos/src/clients/cosmos_client.rs
@@ -1,3 +1,6 @@
+// Copyright (c) Microsoft Corporation. All rights reserved.
+// Licensed under the MIT License.
+
 use crate::clients::DatabaseClient;
 use crate::pipeline::{AuthorizationPolicy, CosmosPipeline};
 use crate::CosmosClientOptions;
diff --git a/sdk/cosmos/azure_data_cosmos/src/clients/database_client.rs b/sdk/cosmos/azure_data_cosmos/src/clients/database_client.rs
index 6118bd8a05..c7a88a1057 100644
--- a/sdk/cosmos/azure_data_cosmos/src/clients/database_client.rs
+++ b/sdk/cosmos/azure_data_cosmos/src/clients/database_client.rs
@@ -1,3 +1,6 @@
+// Copyright (c) Microsoft Corporation. All rights reserved.
+// Licensed under the MIT License.
+
 use crate::clients::ContainerClient;
 use crate::models::DatabaseProperties;
 use crate::options::ReadDatabaseOptions;
diff --git a/sdk/cosmos/azure_data_cosmos/src/clients/mod.rs b/sdk/cosmos/azure_data_cosmos/src/clients/mod.rs
index 482d3d7475..92ed5fcb77 100644
--- a/sdk/cosmos/azure_data_cosmos/src/clients/mod.rs
+++ b/sdk/cosmos/azure_data_cosmos/src/clients/mod.rs
@@ -1,3 +1,6 @@
+// Copyright (c) Microsoft Corporation. All rights reserved.
+// Licensed under the MIT License.
+
 //! Clients used to communicate with Azure Cosmos DB
 
 mod container_client;
diff --git a/sdk/cosmos/azure_data_cosmos/src/constants.rs b/sdk/cosmos/azure_data_cosmos/src/constants.rs
index 57a8ac8e2d..870322659f 100644
--- a/sdk/cosmos/azure_data_cosmos/src/constants.rs
+++ b/sdk/cosmos/azure_data_cosmos/src/constants.rs
@@ -1,3 +1,6 @@
+// Copyright (c) Microsoft Corporation. All rights reserved.
+// Licensed under the MIT License.
+
 // Don't spell-check header names (which should start with 'x-').
 // cSpell:ignoreRegExp /x-[^\s]+/
 
diff --git a/sdk/cosmos/azure_data_cosmos/src/lib.rs b/sdk/cosmos/azure_data_cosmos/src/lib.rs
index 311bc9ae16..c8e5fa89e0 100644
--- a/sdk/cosmos/azure_data_cosmos/src/lib.rs
+++ b/sdk/cosmos/azure_data_cosmos/src/lib.rs
@@ -1,3 +1,6 @@
+// Copyright (c) Microsoft Corporation. All rights reserved.
+// Licensed under the MIT License.
+
 #![doc = include_str!("../README.md")]
 // Docs.rs build is done with the nightly compiler, so we can enable nightly features in that build.
 // In this case we enable two features:
diff --git a/sdk/cosmos/azure_data_cosmos/src/models/mod.rs b/sdk/cosmos/azure_data_cosmos/src/models/mod.rs
index 5d1fd0401e..5cb7055d2b 100644
--- a/sdk/cosmos/azure_data_cosmos/src/models/mod.rs
+++ b/sdk/cosmos/azure_data_cosmos/src/models/mod.rs
@@ -1,3 +1,6 @@
+// Copyright (c) Microsoft Corporation. All rights reserved.
+// Licensed under the MIT License.
+
 //! Model types sent to and received from the Cosmos DB API.
 
 use azure_core::{
diff --git a/sdk/cosmos/azure_data_cosmos/src/options/cosmos_client_options.rs b/sdk/cosmos/azure_data_cosmos/src/options/cosmos_client_options.rs
index baba80d1b5..c0b5ced17e 100644
--- a/sdk/cosmos/azure_data_cosmos/src/options/cosmos_client_options.rs
+++ b/sdk/cosmos/azure_data_cosmos/src/options/cosmos_client_options.rs
@@ -1,3 +1,6 @@
+// Copyright (c) Microsoft Corporation. All rights reserved.
+// Licensed under the MIT License.
+
 use azure_core::{builders::ClientOptionsBuilder, ClientOptions};
 
 /// Options used when creating a [`CosmosClient`](crate::CosmosClient).
diff --git a/sdk/cosmos/azure_data_cosmos/src/options/mod.rs b/sdk/cosmos/azure_data_cosmos/src/options/mod.rs
index 3cd8cb5ff3..106350c143 100644
--- a/sdk/cosmos/azure_data_cosmos/src/options/mod.rs
+++ b/sdk/cosmos/azure_data_cosmos/src/options/mod.rs
@@ -1,3 +1,6 @@
+// Copyright (c) Microsoft Corporation. All rights reserved.
+// Licensed under the MIT License.
+
 mod cosmos_client_options;
 mod query_items_options;
 mod read_container_options;
diff --git a/sdk/cosmos/azure_data_cosmos/src/options/query_items_options.rs b/sdk/cosmos/azure_data_cosmos/src/options/query_items_options.rs
index 458eee9c0b..e2c06fdf64 100644
--- a/sdk/cosmos/azure_data_cosmos/src/options/query_items_options.rs
+++ b/sdk/cosmos/azure_data_cosmos/src/options/query_items_options.rs
@@ -1,3 +1,6 @@
+// Copyright (c) Microsoft Corporation. All rights reserved.
+// Licensed under the MIT License.
+
 #[cfg(doc)]
 use crate::clients::ContainerClientMethods;
 
diff --git a/sdk/cosmos/azure_data_cosmos/src/options/read_container_options.rs b/sdk/cosmos/azure_data_cosmos/src/options/read_container_options.rs
index 2636dff2dc..291b2a0e56 100644
--- a/sdk/cosmos/azure_data_cosmos/src/options/read_container_options.rs
+++ b/sdk/cosmos/azure_data_cosmos/src/options/read_container_options.rs
@@ -1,3 +1,6 @@
+// Copyright (c) Microsoft Corporation. All rights reserved.
+// Licensed under the MIT License.
+
 #[cfg(doc)]
 use crate::clients::ContainerClientMethods;
 
diff --git a/sdk/cosmos/azure_data_cosmos/src/options/read_database_options.rs b/sdk/cosmos/azure_data_cosmos/src/options/read_database_options.rs
index 9b224bd8d2..cc9fda2e52 100644
--- a/sdk/cosmos/azure_data_cosmos/src/options/read_database_options.rs
+++ b/sdk/cosmos/azure_data_cosmos/src/options/read_database_options.rs
@@ -1,3 +1,6 @@
+// Copyright (c) Microsoft Corporation. All rights reserved.
+// Licensed under the MIT License.
+
 #[cfg(doc)]
 use crate::clients::DatabaseClientMethods;
 
diff --git a/sdk/cosmos/azure_data_cosmos/src/partition_key.rs b/sdk/cosmos/azure_data_cosmos/src/partition_key.rs
index 47c8eccfaf..d0b5d204f4 100644
--- a/sdk/cosmos/azure_data_cosmos/src/partition_key.rs
+++ b/sdk/cosmos/azure_data_cosmos/src/partition_key.rs
@@ -1,3 +1,6 @@
+// Copyright (c) Microsoft Corporation. All rights reserved.
+// Licensed under the MIT License.
+
 use crate::NullValue;
 
 /// Specifies a partition key value, usually used when querying a specific partition.
diff --git a/sdk/cosmos/azure_data_cosmos/src/pipeline/authorization_policy.rs b/sdk/cosmos/azure_data_cosmos/src/pipeline/authorization_policy.rs
index 39cc9bcc4a..0acb8abe42 100644
--- a/sdk/cosmos/azure_data_cosmos/src/pipeline/authorization_policy.rs
+++ b/sdk/cosmos/azure_data_cosmos/src/pipeline/authorization_policy.rs
@@ -1,3 +1,6 @@
+// Copyright (c) Microsoft Corporation. All rights reserved.
+// Licensed under the MIT License.
+
 //! Defines Cosmos DB's unique Authentication Policy.
 //!
 //! The Cosmos DB data plane doesn't use a standard `Authorization: Bearer` header for authentication.
diff --git a/sdk/cosmos/azure_data_cosmos/src/pipeline/mod.rs b/sdk/cosmos/azure_data_cosmos/src/pipeline/mod.rs
index c8733cfc74..e1d6bfbc84 100644
--- a/sdk/cosmos/azure_data_cosmos/src/pipeline/mod.rs
+++ b/sdk/cosmos/azure_data_cosmos/src/pipeline/mod.rs
@@ -1,3 +1,6 @@
+// Copyright (c) Microsoft Corporation. All rights reserved.
+// Licensed under the MIT License.
+
 mod authorization_policy;
 
 use std::sync::Arc;
diff --git a/sdk/cosmos/azure_data_cosmos/src/query.rs b/sdk/cosmos/azure_data_cosmos/src/query.rs
index f39cb9c8e6..7e4b7a8048 100644
--- a/sdk/cosmos/azure_data_cosmos/src/query.rs
+++ b/sdk/cosmos/azure_data_cosmos/src/query.rs
@@ -1,3 +1,6 @@
+// Copyright (c) Microsoft Corporation. All rights reserved.
+// Licensed under the MIT License.
+
 use serde::Serialize;
 
 /// Represents a Cosmos DB Query, with optional parameters.
diff --git a/sdk/cosmos/azure_data_cosmos/src/utils.rs b/sdk/cosmos/azure_data_cosmos/src/utils.rs
index 0070214bb2..e3b494777b 100644
--- a/sdk/cosmos/azure_data_cosmos/src/utils.rs
+++ b/sdk/cosmos/azure_data_cosmos/src/utils.rs
@@ -1,3 +1,6 @@
+// Copyright (c) Microsoft Corporation. All rights reserved.
+// Licensed under the MIT License.
+
 use url::Url;
 
 pub trait WithAddedPathSegments {