Applicants for a gasfitters license shall demonstrate competence by documentation of passing the gas fitter course as established by the Inland Northwest Heating Ventilation and Air Conditioning Association and notarized documentation of 6 months experience working under the direct supervision of a licensed Gas Fitter. (Ord. 05-2 §18, 2005; Ord. 92-22 §7, 1992; Ord. 86-14 §4, 1986).