Massachusetts General Laws Part I. Administration of the Government (Ch. 1-182) Ch. 94, § 222

If any wheat, corn, rye, oats, barley, buckwheat, cracked corn, ground corn or corn meal, ground rye or rye meal, or feed, or any other meal, is sold by the cental or hundred weight, the weigher or his deputy, on request of either party to the contract, shall ascertain the weight thereof and shall give a certificate of the number of centals or hundredweight of the same; and whoever sells and delivers a quantity of either of said articles exceeding one cental or hundredweight, if it has not been weighed by such weigher or his deputy, shall forfeit to the purchaser ten dollars for each lot purporting to be a cental or hundredweight which contains less than one hundred pounds.