The prompt of insufficient length should be that the taxpayer identification number you filled in is wrong, and you should check it carefully according to the tax registration certificate or social unified credit code.

Providing the taxpayer identification number is only for enterprises, and administrative institutions are not included in this scope.

AnnouncementNo. 16 of the State Administration of Taxation on July 20 17: Since July 20 17, if the buyer is an enterprise, the taxpayer identification number or unified social credit code shall be provided to the seller when requesting the general VAT invoice; When the seller issues an ordinary VAT invoice for it, it shall fill in the taxpayer identification number or unified social credit code of the buyer in the column of "taxpayer identification number of the buyer". Invoices that do not meet the requirements shall not be used as tax vouchers. The enterprises mentioned in this announcement include companies, unincorporated enterprises as legal persons, enterprise branches, sole proprietorship enterprises, partnerships and other enterprises.