Section 75(4) in The Naval Ceremonial, Conditions Of Service And Miscellaneous Regulations, 1964
(4)In order to ascertain that the conditions mentioned in sub-regulation (1) are strictly carried out, the Captain of one of Indian Naval Ships meeting a ship wearing the blue ensign may send on board an officer not below the rank of Lieutenant at any convenient opportunity. This restriction as to the rank of the boarding officer shall not limit or otherwise affect the authority or the duties of Naval officers under the Merchant Shipping Act, 1958 or in time of war.
