1. The invoice must be an official invoice provided by the tax authorities and stamped with the tax producer seal. The contents of the invoice must be complete, and the date, project name, quantity, unit price and amount must be truthfully filled in. The handwriting should be clear, the size and amount should be consistent, and it is not allowed to be altered or supplemented. The invoice shall be stamped with the special invoice seal or financial seal of the billing unit.

2. The back of transport invoice should indicate the date, starting and ending place and reason.

3. When purchasing goods, supermarkets should provide computer receipts in addition to invoices.

4. If the purchase of bulk goods cannot be fully reflected in the invoice, a detailed list with official seal shall be attached.

5. The leased house shall sign a lease contract, which shall be reported to the financial department for future reference after the contract comes into effect. When paying the fee, be sure to ask for an invoice. If it cannot be provided, a receipt must be provided. If the financial requirements require an invoice, the intermediary will issue an invoice to the housing intermediary or neighborhood Committee accordingly, and the billing fee will be borne by the company.

7. To reimburse travel expenses, you need to provide travel tickets that are consistent with the actual situation. For reimbursement of accommodation and catering, accommodation and catering invoices consistent with the quota reimbursement shall be provided (the proportion of catering invoices shall not exceed 30%), and full invoices shall also be provided for other expenses.

8. The above documents must be filled in with blue and black ink pens, and ballpoint pens or pencils are not allowed.