The resignation notice of the restaurant manager can be written in accordance with the specific provisions of Article 3 1 of the Labor Law and Article 37 of the Labor Contract Law.

Article 3 1 If a laborer terminates a labor contract, he shall notify the employer in writing 30 days in advance.

Article 37 A laborer may terminate the labor contract by giving a written notice to the employing unit 30 days in advance. The employee may terminate the labor contract by notifying the employer three days in advance during the probation period.