发票作为社会经济活动中的合法有效凭据，在加强财务监督、保障国家税收收入、维护经济秩序、保护消费者合法权益等方面具有极其重要的作用。随着改革开放和社会主义市场经济体制的建立，呼和浩特市经济和社会各项事业得到了长足的发展，发票使用种类多、用量大，发票管理在整 As valid legal and valid evidence in social and economic activities, the invoice plays an extremely important role in strengthening financial supervision, guaranteeing national tax revenue, maintaining economic order, and protecting the legitimate rights and interests of consumers. With the establishment of the system of reform and opening up and the establishment of a socialist market economy, all economic and social undertakings in Hohhot have enjoyed considerable development. There are many types of invoices used, large quantities used, and invoice management in place