No person other than the owner or operator of a filling station or a regular bona fide employee or authorized attendant of such owner or operator may fill, wholly or partly, with gasoline or other inflammable liquid at a filling station, any fuel tank of a motor vehicle or any barrel, drum, or other vessel or container, nor may any such person use, handle, or manipulate any hose, pump, pipe, or other contrivance for conveying, measuring, or handling of such liquid. Provided, however, this section does not apply to the operation of self-service motor fuel dispensing devices, provided such operation is in accordance with sections 23-13-02.1 through 23-13-02.7.