The commission shall provide or arrange for training programs on the plumbing code and applicable laws and rules governing plumbing for persons licensed under § 36-25-17.1 , except for those persons showing competency by passing a state administered plumbing examination. Each person licensed as a plumbing contractor or journeyman plumber shall receive a minimum of four hours training of potable water distribution systems and four hours training of drainage, waste, and vent systems during the first year of licensure. Source: SL 2003, ch 206 , § 4.