Servicing which includes maintenance, recharging and hydrostatic testing shall be performed by concerns licensed by the State Fire Marshal having available the appropriate servicing manual(s), the proper types of tools, recharging agents and materials, lubricants, and manufacturer's recommended replacement parts or parts of equal quality. Maintenance, recharging and hydrostatic testing shall be done in accordance with the appropriate manufacturer's service manual(s) and the requirements of this chapter.
Cal. Code Regs. Tit. 19, § 575