diff --git a/src/services/category.service.ts b/src/services/category.service.ts
index a94ffa8..9bc9f1c 100644
--- a/src/services/category.service.ts
+++ b/src/services/category.service.ts
@@ -118,6 +118,8 @@ async function getById(id: string):Promise<IDbCategory | null> {
  * @return {Promise} - A Promise that resolves to the deleted category if successful, or null if an error occurs.
  */
 async function deleteCategory(id:string): Promise<unknown> {
+	//TODO Verify if exist
+	//TODO Verify if element linked to category
 	try {
       logger.info(`Deleting category... (${id})`);
       return await MysqlService.Category.delete(DbHandler, id);
diff --git a/src/services/mysql.service.ts b/src/services/mysql.service.ts
index 15c596c..e426163 100644
--- a/src/services/mysql.service.ts
+++ b/src/services/mysql.service.ts
@@ -407,6 +407,7 @@ const MySqlService = {
 		 * @throws {Error} If the brandId is undefined or invalid.
 		 */
 		delete(handler: MysqlHandler, brandId: string): Promise<unknown> {
+			//TODO check if has models linked before actions
 			return new Promise((resolve, reject) => {
 				if (!brandId) return reject('Id is undefined');
 				if (brandId.length !== 36) return reject('Id invalid');
@@ -419,6 +420,8 @@ const MySqlService = {
 				}
 			})
 		}
+
+		//TODO Get models of the brand
 	},
 	Model: {