both "specification model" and "unit" can be left blank, while "quantity" can be written as "1" and "unit price" can be written as the price excluding tax.

When issuing service invoices, the Specification Model and Unit can be left blank, and the quantity can be written as 1, and the unit price can be written as the price excluding tax.

invoices shall be issued in accordance with article 22 of the measures for the administration of invoices of the people's Republic of China (decree No.587 of the people's Republic of China and the State Council): invoices shall be issued in a lump sum in accordance with the prescribed time limit, sequence and columns, and stamped with special invoices. In addition, according to Article 28 of the Detailed Rules for the Implementation of the Measures for the Administration of Invoices of the People's Republic of China (Order No.25 of State Taxation Administration of The People's Republic of China), when issuing invoices, units and individuals must fill in the invoices in the order of numbers, with complete items, true contents and clear handwriting, all of which are printed in one time, and the contents are exactly the same, and the invoice seal is affixed to the invoice joint and deduction joint.