According to the basic norms of accounting work, the signature of accounting vouchers must be complete, including preparation, review, bookkeeping, cashier, supervisor and bookkeeping.

However, some units have more than one post, and some have more than one post, and the division of labor is not so fine. Therefore, smaller units often have certificates, and it is enough to check. For larger units, according to different situations and division of labor, as long as it does not violate the general principles, all localities have not signed.