Don't use specific articles for reference, but be concise and clear:

The format of the complaint letter is as follows:

1, the title should be "Complaint".

2. The name of the company that later accepted the complaint, such as "XX Company".

3. The process of damage and negotiation with the supervisor.

4. Complaint request and specific requirements.

5. The name, telephone number, address and postal code of the respondent; The name, telephone number, address and postal code of the complainant.

6. A copy of the voucher and relevant proof of overtime hours, times and the quality of meals in the canteen. Such as employee signature, food list, price, etc.

7. Date of complaint.

8. Employee signature.