diff --git a/packages/v1/administrativo/actions/client/client_get_cns_action.py b/packages/v1/administrativo/actions/client/client_get_cns_action.py
new file mode 100644
index 0000000..e177da1
--- /dev/null
+++ b/packages/v1/administrativo/actions/client/client_get_cns_action.py
@@ -0,0 +1,13 @@
+from abstracts.action import BaseAction
+from packages.v1.administrativo.schemas.client_schema import ClientCNSSchema
+from packages.v1.administrativo.repositories.client.client_get_cns_repository import GetCNSRepository
+
+class GetCNSAction(BaseAction):
+
+    def execute(self, client_schema = ClientCNSSchema):
+
+        # Importação do repositório
+        get_cns_repository = GetCNSRepository()
+
+        # Execução do repositório
+        return get_cns_repository.execute(client_schema)
diff --git a/packages/v1/administrativo/repositories/client/client_get_cns_repository.py b/packages/v1/administrativo/repositories/client/client_get_cns_repository.py
new file mode 100644
index 0000000..a0b0d31
--- /dev/null
+++ b/packages/v1/administrativo/repositories/client/client_get_cns_repository.py
@@ -0,0 +1,18 @@
+from abstracts.repository import BaseRepository
+
+from packages.v1.administrativo.schemas.client_schema import ClientCNSSchema, ClientSchema
+
+class GetCNSRepository(BaseRepository):
+
+    def execute(self, client_schema = ClientCNSSchema)-> ClientSchema:
+
+        # Define a consulta sql
+        sql = """ SELECT * FROM client c WHERE c.cns = :cns """
+
+        # Preenchimento dos parâmetros SQL
+        params = {
+            'cns': client_schema.cns
+        }
+
+        # Execução da instrução sql
+        return self.fetch_one(sql, params)
\ No newline at end of file
diff --git a/packages/v1/administrativo/services/client/client_get_cns_service.py b/packages/v1/administrativo/services/client/client_get_cns_service.py
new file mode 100644
index 0000000..e624929
--- /dev/null
+++ b/packages/v1/administrativo/services/client/client_get_cns_service.py
@@ -0,0 +1,26 @@
+from fastapi import HTTPException, status
+
+from packages.v1.administrativo.schemas.client_schema import ClientCNSSchema
+from packages.v1.administrativo.actions.client.client_get_cns_action import GetCNSAction
+
+class GetCNSService:
+
+    def execute(self, client_schema: ClientCNSSchema, messageValidate: bool):
+
+        # Instânciamento de ação
+        cns_action = GetCNSAction()
+
+        # Executa a ação em questão
+        data = cns_action.execute(client_schema)
+
+        if messageValidate:
+
+            if not data:
+                # Retorna uma exceção
+                raise HTTPException(
+                    status_code=status.HTTP_404_NOT_FOUND,
+                    detail='Não foi possível localizar o CNS do cliente'
+                )
+
+        # Retorno da informação
+        return data
\ No newline at end of file