§ 278.400. Master and journeyman installers to be certified.

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No person shall hereafter engage in the occupation of, or work within the city as a master or journeyman heating, ventilating, and air conditioning installer; master or journeyman gas fitter; master or journeyman refrigeration installer; master or journeyman oil burner installer; master or journeyman steam and hot water systems installer, or master or journeyman plumber/gas fitter without having first secured a certificate of competency in the appropriate trade or trades. (98-Or-021, § 1, 3-6-98; 2002-Or-067, § 15, 7-26-02)

                    
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