Section 27(4) in The Punjab Agricultural Produce Markets (General) Rules, 1962
(4)A certificate issued under sub-rule (3) above shall be accepted as final by all persons transacting business in the notified market area, unless it is proved, to the satisfaction of the Chairman of the Committee or his authorised representative that the weighment or measurement was done on a defective weight-bridge or measuring yard or by means of an incorrect scale or weight or measures.
