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Dreaming of picking up a lot of gold jewelry, main, bracelets, and transshipment beads unmarried

The sale of a device is worth 500,000 yuan. The contract agreed that 90%of the payment was collected before shipping, and the remaining 10%was paid after the semi -annual warranty period was over. When issuing a special VAT invoice, do I need to issue an invoice in full sales? What is the basis

Jewelry store only has a warranty policy and no invoice