Oregon Revised Statutes Protection from Fire § 480.432

(1) A person may not engage in or work at the business of installing, extending, altering or repairing any LP gas appliance or piping, vent or flue connection pertaining to or in connection with LP gas installations within the state, either as employer or individual, unless the person has received an LP gas installation license from the State Fire Marshal in accordance with ORS 480.410 to 480.460.

(2) A person may not do any LP gas fitting or gas venting work, install, repair or remodel any piping or venting or do any installation, repair service, connection or disconnection of any LP gas appliance that is subject to inspection under ORS 480.410 to 480.460 unless the person has received an LP gas fitter license from the State Fire Marshal in accordance with ORS 480.410 to 480.460.

(3) A person may not operate any LP gas delivery equipment installed on a motorized vehicle unless the person has received an LP gas truck equipment license from the State Fire Marshal in accordance with ORS 480.410 to 480.460.

(4) Any person under the terms of this section who is required to have an LP gas fitter or LP gas truck equipment license is also required to have an LP gas installation license, unless the person is an employee of an employer who has an LP gas installation license as provided by this section.

(5) A person who holds a valid journeyman plumber license under ORS 693.060 or who is in an approved journeyman plumber apprenticeship established under ORS 660.002 to 660.210 is exempt from the licensing requirements of subsections (1) and (2) of this section, except that the apprentice or journeyman plumber may not install an LP gas tank or make any connection to an LP gas tank unless the apprentice or journeyman plumber is licensed as required under this section.

(6) A person who holds a license issued by the Department of Consumer and Business Services under ORS 480.630 of a class that authorizes the person to fabricate, install, alter or repair pressure piping and to install boilers and pressure vessels by attachment of piping connector is exempt from the licensing requirements of subsections (1) and (2) of this section, except that the person may not install an LP gas tank or make any connection to an LP gas tank unless the person is licensed as required under this section.

(7) Subsections (1) to (4) of this section do not apply to LP gas installations in a manufactured dwelling or recreational vehicle performed during the construction of the manufactured dwelling or recreational vehicle, or the alteration or repair of an LP gas installation in a manufactured dwelling or recreational vehicle made pursuant to the manufacturer's warranty.