China Petrochemical Self-service Invoice QR Code Validity Period

China Petrochemical self-service invoicing QR code is valid for 6 months. According to the regulations of State Taxation Administration of The People's Republic of China, People's Republic of China (PRC), the self-service electronic invoice should be provided to the buyer in time after invoicing, and uploaded to the tax bureau for filing within 48 hours after invoicing. At the same time, the electronic invoice should be valid within 6 months after invoicing, and it will not be used after the validity period. Therefore, the self-service electronic invoice QR code issued by China Petrochemical Co., Ltd. is generally valid for 6 months, and will not be used after the validity period. If you need to use electronic invoices, please use or back them up in time within the validity period.