Leviticus:19:35-36
mkjv@Leviticus:19:35 @ You shall do no unrighteousness in judgment, in measures and weights, or in quantity.
mkjv@Leviticus:19:36 @ You shall have just balances, just weights, a just ephah, and a just hin. I [am] the LORD your God, who brought you out of the land of Egypt.