Why should the buying organisation require the supplier to carry out acceptance testing?

Explanation

Acceptance testing, in the context of the engineering and software industries, is a functional trial performed on a product or prototype before it is put on the market or delivered, to decide whether the specifications or contract have been met. It also makes sure the quality and design of the product meet both contractual and regulatory obligations in terms of functionality, usability, durability, and safety.

If a product is found to be unacceptable at this stage, it can be sent back for modification, debug-ging, repair, or re-design before it can become a costly undertaking for the producer, as would be the case in a product recall.