(a) Any person who shall operate scales at a livestock market for the purpose of weighing livestock for the purpose of sale without having a permit as required under this division or any person holding such a permit who shall give or cause to be given false weights to be used in selling livestock or any person operating a livestock market who sells livestock upon the basis of weight without having such livestock weighed by a person holding a permit as required under provisions of this division or by a public weighmaster shall be guilty of a misdemeanor and punished as now prescribed by law for such offense.
(b) Any person who shall give or cause to be given a false weight of livestock for sales purposes shall forfeit his permit which shall be revoked or cancelled.