(1) The “alert” is a mark of respect due to rank and shall be sounded on the bugle, between the hours of colours and sunset, in addition to the occasions laid down in Regulations 82 to 84, for the Vice-President, the Prime Minister and the Defence Minister, and if in uniform for all Flag Officers, Commodores and officers of equivalent rank when coming on board and leaving any of Indian Naval Ships, or when visiting naval establishments.
(2) Between the hours of colours and sunset the side shall be piped to the following, coming on board or leaving one of Indian Naval Ships:-
(a) The President.
(b) All Flag Officers in uniform.
(c) All Commodores in uniform, if authorized under Regulations 54 and 55 to wear a broad pendant.
(d) All executive officers in uniform holding an appointment in command of a ship in commission (including a shore establishment where the latter condition applies) or seagoing tender, and all non-executive officers in uniform holding an appointment in command of a shore establishment in commission, when proceeding on board or leaving one of Indian Naval Ships. Officers coming on board by a brow should not be piped unless arriving at a pre-arranged time. The side shall not be piped at any shore establishment.
(e) Members of a court-martial attending or leaving the court.
(f) Officer of the Guard when flying a pendant.
(g) A corpse being brought on board or leaving a ship.
(3) All foreign naval officers in uniform should be piped at all hours.