The qualifications for registration as a plumber or journeyman shall be the same as set forth in sections 303.1, 303.2, 303.5, 304.1, 304.2, 304.4, and 306 of the plumbing regulations adopted by section 34-2 and the qualifications for registration as a gas fitter or journeyman shall be set forth in sections 202.31, 202.32, 202.42, and 202.6 of the gas fitting regulations adopted by section 34-2. (Mont. Co. Code 1965, § 95-19.)