2.1 Passenger ships of 500 gross tonnage and over
shall carry at least one rescue boat complying with the requirements
of section 5.1 of the Code on each side
of the ship.
2.2 Passenger ships of less than 500 gross tonnage
shall carry at least one rescue boat complying with the requirements
of section 5.1 of the Code.
2.3 A lifeboat may be accepted as a rescue boat
provided that it and its launching and recovery arrangements also
comply with the requirements for a rescue boat.