Glavni pogon, krmiljenje, parna cev, gorivo, stisnjeni zrak, električni in hladilni sistemi, dodatni stroji, kotli in druge tlačne posode, cevi in črpalne naprave, naprave in mehanizmi za krmarjenje, gredi in sklopke za prenos pogona so zasnovane, zgrajene, preskušene, nameščene in vzdrževane v skladu s predpisi priznane organizacije.
Main propulsion, control, steam pipe, fuel oil, compressed air, electrical and refrigeration systems; auxiliary machinery; boilers and other pressure vessels; piping and pumping arrangements; steering equipment and gears, shafts and couplings for power transmission shall be designed, constructed, tested, installed and serviced in accordance with the rules of a recognised organisation.