The Merchant Shipping (Signals of Distress) Rules 1977
The Secretary of State, in exercise of powers conferred by section 21(2) of the Merchant Shipping (Safety Convention) Act 1949(a), and now vested in him(b), and of all other powers enabling him in that behalf, hereby makes the following Rules:-

(a) 1949 c. 43.    (b) S.I. 1970/1537 (1970 III, p. 5293).    (c) 1889 c. 63.    (d) S.I. 1965/1550 (1965 II, p. 4526).    (e) S.I. 1977/982 (1977 II, p.2728).