Requiring competent employees in transporting,

dispensing, installation, service or repair. A. The bureau may require each person, firm or corporation that transports or dispenses LP gas or that installs, repairs or services appliances, containers, equipment or piping for the use of LP gas to have all persons who perform these activities pass an appropriate examination based on the safety requirements of the commission. B. A trainee employee shall be exempt from such examination for a period of forty- five working days and until examined by a representative of the bureau. A trainee employee, during the forty-five day period, shall be under supervision of a qualified instructor. Any LP or CNG gas licensee hiring a trainee shall, within forty-five days of the commencement of employment, notify the bureau of this fact so that an examination may be scheduled. If the trainee fails to pass the examination, he may retake it after additional instruction. C. The bureau shall set a reasonable fee for administering an examination.