The Navigation Order, No. 42, 1949
Made - 24th June, 1949
Laid before Parliament 29th June, 1949
Coming into Operation 30th June, 1949

In pursuance of the powers conferred on them by Regulations 43 and 98 of the Defence (General) Regulations, 1939, as having effect by virtue of the Supplies and Services (Transitional Powers) Act, 1945(a), as extended by the Supplies and Services (Extended Purposes) Act, 1947(b), the Admiralty hereby revoke Navigation Order No. 1, 1939(c).