1. According to the actual situation, determine the invoice type as VAT special invoice or ordinary invoice.
2. Fill in the real enterprise name at the top of the invoice.
3. Fill in the specific bookkeeping date when bookkeeping.
4. Fill in "Guarantor pays interest on bank loan" at the project name.
5. Fill in the corresponding information in the columns of specification, model, unit, quantity, unit price and amount, and the specific amount shall be consistent with the actual amount of bank loan interest paid.
6. Indicate in the remarks column that the reason for issuing the invoice is that the guarantor pays the interest on the bank loan.
7. Finally, the invoice can be issued with the signature and official seal of the drawer.