Type I taxpayers can supply invoices for 2-3 months at a time, Type II taxpayers can only supply invoices for 1 month at a time, and Type III taxpayers are restricted from supplying invoices. Display according to the query "Management Measures". The invoices mentioned in the "Administrative Measures" include special value-added tax invoices, ordinary value-added tax invoices, unified motor vehicle sales invoices and second-hand vehicle sales unified invoices. Paper invoices and electronic invoices are both counted. Classified management means that tax authorities use tax big data to scientifically classify taxpayers who apply for invoices based on their actual operating conditions and tax management information, and implement differentiated services and management. Hierarchical management means that the tax authorities clarify the hierarchical management responsibilities of invoices on the basis of scientific classification of taxpayers. Specifically, it is divided into three levels: provincial level, prefecture level, county (district) level and grassroots level. What everyone needs to pay attention to is that the "Administrative Measures" divide taxpayers into Category I, Category II and Category III.