The State Plumbing Board may adopt rules that provide for the issuance of supervising plumber licenses to journeyman plumbers who:
(1) Demonstrate to the satisfaction of the board competency in the supervision of plumbing work and in the laws, rules, ordinances and practices relating to plumbing;
(2) Comply with board rules adopted under ORS 455.117; and
(3) Pay the applicable application fee established by the board under ORS 693.135.