No reimbursement. Come on, 400 yuan is not allowed to invoice 500 yuan. Overinvoicing or underinvoicing is a false invoicing, which is illegal and cannot be reimbursed. Invoice refers to the business vouchers issued and collected by all units and individuals in buying and selling goods, providing or receiving services and engaging in other business activities. It is the original basis of accounting, and it is also an important basis for law enforcement inspection by audit institutions and tax authorities.