1. First of all, it is necessary to determine the person who will conduct the verification, who is the staff of the financial department or the person in charge of finance.

2. Secondly, at the appropriate location of the bill, which is the bottom of the bill, leave a certain blank space to write the information of the checker.

3. Then write the name, date and signature of the checker in sequence in the blank space provided to ensure that the written information is clearly visible.

4. Before signing, the checker needs to confirm that the contents of the bill have been checked and are correct before signing.

5. After the final signature is completed, archive and back up the bill for future reference and audit.