1. Financial statements: including balance sheet, income statement, balance sheet, etc. These statements will reflect the financial position and operating performance of the organization.

2. Vouchers: including receipts and payments, such as invoices, receipts and payments, payment vouchers, etc. These vouchers will support the data authenticity of financial accounting statements.

3. Account book: including journal, general ledger, details, etc. These account books record the income and expenditure of the organization and the flow of funds.

4. Bank statement: The bank statement of the institution can prove the transactions in the bank account, including deposits and transfers.

5. Tax returns: such as tax returns and enterprise returns. These reports show the tax situation of the organization.

6. Contracts and agreements: The organization involves economic cooperation with others and needs to provide relevant contracts and agreements.

7. Financial audit report: The institution has conducted an independent audit and needs to provide an audit report to prove the reliability of financial data.