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Consumers should also proactively ask for invoices from merchants when making purchases. If no invoice is issued at the time of consumption, there is no time limit for making up the invoice afterwards.

"Consumer Rights and Interests Protection Law of the People's Republic of China":

Article 22: Operators providing goods or services shall comply with relevant national regulations or business practices. Consumers must issue invoices and other purchase vouchers or service documents; if consumers ask for invoices and other purchase vouchers or service documents, operators must issue them. Extended information

"Measures for the Administration of Invoices of the People's Republic of China":

Article 19 Units and individuals that sell goods, provide services and engage in other business activities shall not When collecting money for business operations, the payee shall issue an invoice to the payee; under special circumstances, the payee shall issue an invoice to the payee.

Article 20 All units and individuals engaged in production and business activities shall obtain invoices from the payee when making payments when purchasing goods, receiving services, or engaging in other business activities. When obtaining an invoice, no request is made to change the product name or amount.

Article 21 Invoices that do not meet the regulations shall not be used as financial reimbursement vouchers, and any unit or individual has the right to reject them.

Article 22 Invoices shall be issued truthfully in accordance with the prescribed time limit, sequence and columns, all at one time, and shall be stamped with a special invoice seal.

No unit or individual may engage in the following acts of false invoicing:

(1) Issuing invoices for others or for oneself that are inconsistent with actual business operations;

(2) Allowing others to issue invoices for themselves that are inconsistent with the actual business operations;

(3) Introducing others to issue invoices that are inconsistent with the actual business operations.

Baidu Encyclopedia--Consumer Rights Protection Law of the People's Republic of China