(a) A permit shall be required for every new installation or alteration of a refrigerating system, except window units.
(b) No permit for a refrigerating system containing a Group three (3) refrigerant shall be issued and no such system shall be installed except after approval by the Board of Building Standards and Building Appeals given upon submission of acceptable evidence that no public hazard will be created thereby. A refrigerating system containing a Group three (3) refrigerant shall be installed in conformity with the provisions of OBBC and this Building Code and in conformity with the conditions of approval specified by the Board.
(c) No permit shall be required for repair of a refrigerating system.
(d) Where a permit is not required by OBBC and this Building Code, such exemption shall apply only to the requirement for a permit, and all installations, alterations, or repairs, whether made with or without a permit, shall be made in conformity with OBBC and this Building Code.
(e) Whenever the proposed installation is of such extent that it cannot be adequately described on the application for the permit, the application shall be accompanied by such drawings and descriptive data as are required to verify compliance with the provisions of OBBC and this Building Code.
(f) Required permits shall be issued only to installers registered or authorized to do such work under the applicable provisions of Chapter 3107.