[mothered]

I'm going to assume this has to do that you used a fake receipt, thus why Amazon is claiming there are discrepancies. If you generally purchased it, just do it through Amazon. If not, then you're going to have to give up and either use a different brand receipt

For future reference, you can simply say you've misplaced the receipt, but reassure them that you will do your utmost best to find It (of course you'll do nothing of the sort). Wait a few days, contacted them In an apologetic manner and advise of the missing receipt. Take the next step thereafter.

Giving the Impression of complying with their request(s), significantly Increases a successful outcome.