Exchange of notes between the Government of the United Kingdom of Great Britain and Northern Ireland and the Government of th Republic of Singapore further amending the agreement for air services, signed at Singapore on 12 January 1971, as amended, Singapore, 28 March 1980 ..
Great Britain.
Singapore.Treaties, etc. Great Britain, 1971 Jan.12. Protocols, etc., 1980 Mar.28.
London H.M.S.O.
[1980]
Aeronautics, Commercial
Aeronautics, Commercial