Section 4157 - License required; definition(a) License required.--No person shall assume the title "licensed public weighmaster" or any title of similar import, perform the duties or acts to be performed by a licensed public weighmaster under this subchapter, hold himself or herself out as a licensed public weighmaster, issue any weighmaster's certificate, ticket memorandum or statement or engage in the full-time or part-time business of public weighing unless he holds a valid license as a licensed public weighmaster.(b) Definition.--As used in this section, the term "public weighing" means the weighing of any commodity for any commercial purpose.1996, Dec. 18, P.L. 1028, No. 155, § 1, effective in 60 days.