Correct reimbursement of installation fees for personal prepaid construction services: after purchasing supplies, you need to open a formal invoice, and then reimburse it with the purchase list and invoice. If you keep accounts, you can also establish an OFFICE software document of the purchase list for easy viewing.

Twentieth units and individuals that sell goods, provide services and engage in other business activities, and collect money from foreign business operations, the payee shall issue invoices to the payer; Twenty-first all units and individuals engaged in production and business activities shall obtain invoices from the payee when purchasing goods, receiving services and paying for other business activities. When obtaining an invoice, it is not allowed to change the name and amount.