(1) No Indian ship, which has on board 2000 tons or more oil in bulk as cargo shall enter or leave or attempt to enter or leave any port or place in India unless it carries on board a certificate issued under sub-section (2) of section 352N or a certificate accepted under section 352-O.
     (2) No ship other than an Indian ship carrying 2000 tons or more oil in bulk as cargo, wherever registered, shall enter or leave or attempt to enter or leave any port or place in India, unless it carries on board a certificate issued under sub-section (3) of section 352N or a certificate accepted under section 352-O.
     (3) No customs officer shall grant inward entry or outward clearance to any ship to which sub-section (1) or, as the case may be, sub-section (2) applies, unless its master produces a certificate required under the respective sub-section.