强化抵扣增值税的普通发票管理目前具有等同于增值税专用发票抵扣税款功能的普通发票主要有废品收购发票、在副产品收购发票、交通运输业发票等。因为这些普通发票具有抵扣增值税功能，所以其重要性并不亚于增值税专用发票。但由于目前尚未纳入增值税发票管理系列，因此在... Strengthen the common invoice management of deductible value-added tax At present, there are the common invoices that are equivalent to the function of tax deductible value-added tax invoices. There are mainly invoice for acquisition of waste products, purchase invoices in by-products, and invoices for transportation industry. Because these ordinary invoices have a deductible value-added tax function, so its importance is no less than value-added tax invoices. However, due to not yet included in the VAT invoice management series, so in ...