What does buy-back allowance mean?

buy-back allowance meaning in Law Dictionary

n agreed amount made available from owner if the purchaser comes back (resells) this product to him. The buy-back allowance may only be forthcoming against a replacement buy, so may be used to motivate buyer respect.

buy-back allowance meaning in Business Dictionary

The decided sum of cash which offered by a seller of an item or solution if the purchaser either return them or perhaps unhappy using service that was received.