Question

which document serves as an evidence of purchase​

Answer 1

Answer:

Stores which accept returns may require proof of purchase, often in the form of a receipt. Some major retailers may accept reference numbers, usually allocated on invoices and confirmation emails as proof of purchase.

Answer 2

Answer:

receipt or bill paper

Explanation:

Stores which accept returns may require proof of purchase, often in the form of a receipt. Some major retailers may accept reference numbers, usually allocated on invoices and confirmation emails as proof of purchase.

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