The color and name of each special VAT invoice.
1, triple: the first green deduction, the second yellow invoice and the third deep blue bookkeeping VAT invoice.
The function of each joint: the first joint: the deduction joint, the tax deduction certificate of the purchasing unit, and the final destination of this joint is to be deducted by the purchasing unit to the tax bureau. Second copy: the invoice copy is the bookkeeping voucher of the purchasing company, and the final destination of this copy is the purchasing company as the original voucher of the purchased items. Three parties: the seller's accounting voucher. The final destination of this voucher is the seller's company as the original voucher for selling products.
2. Quadruplicate: the first copy is blue stub, the second copy is brown invoice, the third copy is green deduction, and the fourth copy is black bookkeeping. The function of each copy: the first copy of the stub is kept by the seller for future reference. Second copy: invoice copy, accounting voucher for payment by the purchasing unit. Three parties: tax deduction, with the buyer as the tax deduction certificate. Fourth: bookkeeping, the seller as a proof of sales bookkeeping.