(a) Possession of flamethrowing devices which have been rendered inoperative secured, as defined in Section 1055, shall not require a permit pursuant to these regulations.

(b) Persons who only use a flamethrowing device in the course of a theatrical or motion picture/television production are exempt from these permit requirements, when under the direct and immediate supervision of a State Fire Marshal permitted Special Effects First or Second Class licensee.

(c) Persons who are employed by a firefighting agency of the federal government, the state, a city, a county, a city and county, district, public or municipal corporation, or political subdivision of this state, are on duty and are using the flamethrowing device in the course of fire suppression.