If the reply is stamped with the official seal, the signature of the leader in charge is not required. Format of reply for comments: clearly write down the reason for sending the letter at the beginning, and generally explain the purpose and basis of sending the letter. Then, we will reply to the relevant matters in transitional language as follows, which will cause the following. In the reason part, first quote the title and document number of the communication. For example, your letter was received on ××××××××××××××××××××××××××××××××××××××××××××××××××××××××××××××××××××××××××××××××××××××××××××××××××××××××××××××××××××××××××××××××××××××××××××××××××× The answer should be targeted. Finally, we usually reply to each other in polite language, such as giving support, help or cooperation, or putting forward hopes and demands. The conclusion is generally the answer to this question, the answer to this letter and other idioms. The signature consists of the issuing authority and the written date. The issuing authority shall write the full name or standardized abbreviation. The date of writing shall be written in Chinese characters with the year, month and day stamped with the official seal.