临近春节，消费时，别忘了这件事~

Group 1 - The article emphasizes that invoices that do not comply with regulations cannot be used as financial reimbursement vouchers, and any unit or individual has the right to refuse them [2] - It is the obligation of merchants to issue invoices when conducting business activities, as stipulated in the "Invoice Management Measures of the People's Republic of China" [3] - Invoices must be issued in accordance with specified timelines, sequences, and columns, and paper invoices must be stamped with a special invoice seal [4] Group 2 - Merchants who fail to issue invoices as required may face penalties, including fines of up to 10,000 yuan, and confiscation of illegal income [5] - Tax authorities can publicly announce units and individuals who violate invoice management regulations more than twice or in severe cases [5] - When issuing special invoices, the taxpayer must stamp the invoice with their special invoice seal, except in cases where it is issued for individuals [13]