Section 4142 - Prohibited acts(a) General rule.--It shall be unlawful: (1) To use or have in possession for the purpose of using for any commercial purpose specified in section 4112 (relating to general testing and inspections), sell, offer or expose for sale or hire or have in possession for the purpose of selling or hiring an incorrect weight or measure or any device or instrument used to or calculated to falsify any weight or measure.(2) To use or have in possession for the purpose of current use for any commercial purpose specified in section 4112 a weight or measure that does not bear a seal or mark such as specified in section 4119 (relating to disposition of correct and incorrect apparatus) unless such weight or measure has been exempted from testing by provisions of section 4112 or by regulation of the department issued under the authority of section 4110 (relating to specific powers and duties of department; regulations).(3) To dispose of any rejected or condemned weight or measure in a manner contrary to law or regulation.(4) To remove from any weight or measure contrary to law or regulation any tag, seal or mark placed thereon by the appropriate authority.(5) To sell, offer or expose for sale less than the represented quantity of any commodity, thing or service, provided, however, that, if a commodity is prepackaged by someone other than the possessor, the possessor shall not be deemed to have made a representation within the purview of this subsection if the representation appears on the label of the prepackaged commodity.(6) To take more than the quantity he represents of any commodity, thing or service when, as buyer, he furnishes the weight or measure by means of which the amount of the commodity, thing or service is determined.(7) To keep for the purpose of sale, advertise, offer or expose for sale or sell any commodity except commodities prepackaged by someone other than the possessor, or service in a condition or manner contrary to law or regulation.(8) To use in retail trade, except in the preparation of packages put up in advance of sale and of medical prescriptions, a weight or measure that is not so positioned that its indications may be accurately read and the weighing or measuring operation observed from some position which may be reasonably assumed by a customer.(9) To violate any provision of this subchapter or of the regulations promulgated under the provisions of this subchapter for which a specific penalty has not been prescribed.(b) Offenses by inspectors and sealers of weights and measures.--It shall be unlawful for any inspector or sealer:(1) To use any tests or standards, or to attempt to use the same, in ascertaining the correctness or accuracy of weights and measures until such comparisons are made and their accuracy established and a certificate of conformance issued therefor as provided by this chapter.(2) To manufacture, sell or offer to sell any weighing or measuring device used in the sale of commodities.(3) To repair, adjust or offer to repair or adjust any weighing or measuring device.1996, Dec. 18, P.L. 1028, No. 155, § 1, effective in 60 days.