diff --git a/libraries/botframework-connector/botframework/connector/auth/__init__.py b/libraries/botframework-connector/botframework/connector/auth/__init__.py
index 113112638..d58dcf5fa 100644
--- a/libraries/botframework-connector/botframework/connector/auth/__init__.py
+++ b/libraries/botframework-connector/botframework/connector/auth/__init__.py
@@ -17,6 +17,7 @@
 from .microsoft_app_credentials import *
 from .microsoft_government_app_credentials import *
 from .certificate_app_credentials import *
+from .certificate_government_app_credentials import *
 from .certificate_service_client_credential_factory import *
 from .claims_identity import *
 from .jwt_token_validation import *
diff --git a/libraries/botframework-connector/botframework/connector/auth/certificate_government_app_credentials.py b/libraries/botframework-connector/botframework/connector/auth/certificate_government_app_credentials.py
new file mode 100644
index 000000000..b2883cfa1
--- /dev/null
+++ b/libraries/botframework-connector/botframework/connector/auth/certificate_government_app_credentials.py
@@ -0,0 +1,51 @@
+# Copyright (c) Microsoft Corporation. All rights reserved.
+# Licensed under the MIT License.
+
+from .certificate_app_credentials import CertificateAppCredentials
+from .government_constants import GovernmentConstants
+
+
+class CertificateGovernmentAppCredentials(CertificateAppCredentials):
+    """
+    GovernmentAppCredentials implementation using a certificate.
+    """
+
+    def __init__(
+        self,
+        app_id: str,
+        certificate_thumbprint: str,
+        certificate_private_key: str,
+        channel_auth_tenant: str = None,
+        oauth_scope: str = None,
+        certificate_public: str = None,
+    ):
+        """
+        AppCredentials implementation using a certificate.
+
+        :param app_id:
+        :param certificate_thumbprint:
+        :param certificate_private_key:
+        :param channel_auth_tenant:
+        :param oauth_scope:
+        :param certificate_public: public_certificate (optional) is public key certificate which will be sent
+        through ‘x5c’ JWT header only for subject name and issuer authentication to support cert auto rolls.
+        """
+
+        # super will set proper scope and endpoint.
+        super().__init__(
+            app_id=app_id,
+            channel_auth_tenant=channel_auth_tenant,
+            oauth_scope=oauth_scope,
+            certificate_thumbprint=certificate_thumbprint,
+            certificate_private_key=certificate_private_key,
+            certificate_public=certificate_public,
+        )
+
+    def _get_default_channelauth_tenant(self) -> str:
+        return GovernmentConstants.DEFAULT_CHANNEL_AUTH_TENANT
+
+    def _get_to_channel_from_bot_loginurl_prefix(self) -> str:
+        return GovernmentConstants.TO_CHANNEL_FROM_BOT_LOGIN_URL_PREFIX
+
+    def _get_to_channel_from_bot_oauthscope(self) -> str:
+        return GovernmentConstants.TO_CHANNEL_FROM_BOT_OAUTH_SCOPE
diff --git a/libraries/botframework-connector/botframework/connector/auth/certificate_service_client_credential_factory.py b/libraries/botframework-connector/botframework/connector/auth/certificate_service_client_credential_factory.py
index d930ea172..1e7205f33 100644
--- a/libraries/botframework-connector/botframework/connector/auth/certificate_service_client_credential_factory.py
+++ b/libraries/botframework-connector/botframework/connector/auth/certificate_service_client_credential_factory.py
@@ -5,7 +5,10 @@
 
 from msrest.authentication import Authentication
 
+from .authentication_constants import AuthenticationConstants
+from .government_constants import GovernmentConstants
 from .certificate_app_credentials import CertificateAppCredentials
+from .certificate_government_app_credentials import CertificateGovernmentAppCredentials
 from .microsoft_app_credentials import MicrosoftAppCredentials
 from .service_client_credentials_factory import ServiceClientCredentialsFactory
 
@@ -58,13 +61,60 @@ async def create_credentials(
         if not await self.is_valid_app_id(app_id):
             raise Exception("Invalid app_id")
 
-        credentials = CertificateAppCredentials(
-            app_id,
-            self.certificate_thumbprint,
-            self.certificate_private_key,
-            self.tenant_id,
-            oauth_scope,
-            self.certificate_public,
-        )
+        normalized_endpoint = login_endpoint.lower() if login_endpoint else ""
+
+        if normalized_endpoint.startswith(
+            AuthenticationConstants.TO_CHANNEL_FROM_BOT_LOGIN_URL_PREFIX
+        ):
+            credentials = CertificateAppCredentials(
+                app_id,
+                self.certificate_thumbprint,
+                self.certificate_private_key,
+                self.tenant_id,
+                oauth_scope,
+                self.certificate_public,
+            )
+        elif normalized_endpoint.startswith(
+            GovernmentConstants.TO_CHANNEL_FROM_BOT_LOGIN_URL_PREFIX
+        ):
+            credentials = CertificateGovernmentAppCredentials(
+                app_id,
+                self.certificate_thumbprint,
+                self.certificate_private_key,
+                self.tenant_id,
+                oauth_scope,
+                self.certificate_public,
+            )
+        else:
+            credentials = _CertificatePrivateCloudAppCredentials(
+                app_id,
+                self.password,
+                self.tenant_id,
+                oauth_scope,
+                login_endpoint,
+                validate_authority,
+            )
 
         return credentials
+
+
+class _CertificatePrivateCloudAppCredentials(CertificateAppCredentials):
+    def __init__(
+        self,
+        app_id: str,
+        password: str,
+        tenant_id: str,
+        oauth_scope: str,
+        oauth_endpoint: str,
+        validate_authority: bool,
+    ):
+        super().__init__(
+            app_id, password, channel_auth_tenant=tenant_id, oauth_scope=oauth_scope
+        )
+
+        self.oauth_endpoint = oauth_endpoint
+        self._validate_authority = validate_authority
+
+    @property
+    def validate_authority(self):
+        return self._validate_authority