How long is the validity period of ordinary quota invoice of the State Taxation Bureau?
Depending on local policies, GM quota invoice is local, not unified nationwide, but unified nationwide are special VAT invoices, general VAT invoices and electronic VAT invoices. Many places will change the version from time to time, not for long-term use. If you want to know the specific local policies, you can contact the local tax bureau and the local provincial and municipal tax consultation telephone number 12366.