(1) Boats belonging to Indian Naval Ships shall fly the ensign on the following occasions:-
(a) In foreign waters;
(b) In Indian waters-
(i) when Indian Naval Ships are dressed;
(ii) when going alongside a foreign warship on all occasions, day and night;
(c) When flying in the bows one of the special flags referred to in Regulations 51 and 60, whether in India, or in foreign waters.
(2) In India, boats shall only fly the ensign in accordance with clauses (b) and (c) of subregulation (1) between the time the colours are hoisted in the morning and sunset, except as provided for in sub-clause (ii) of the said clause (b).
(3) In foreign waters, boats shall fly their ensigns when away from their ships at any time between dawn and dark, and on the occasion specified in sub-clause (ii) of clause (b) of subregulation (1).
(4) When the colours are half masted in ships, boat’s ensign (if flown) shall also be halfmasted.
(5) When a corpse is being conveyed in a boat, either in Indian, or foreign waters, that boat shall fly her ensign at half-mast.
(6) In boats under sail, ensigns shall be flown by launches and pinnaces only.
NOTE: - The same procedure as followed in Indian waters shall be followed in Commonwealth waters.