1The expression " colony" in the [1955 c. 18.] Army Act 1955, the [1955 c. 19.] Air Force Act 1955 and the [1957 c. 53.] Naval Discipline Act 1957 shall not include Belize; and in the definitions of" Commonwealth force " in section 225(1) and 223(1) respectively of those Acts of 1955, and in the definition of " Commonwealth country " in section 135(1) of that Act of 1957, at the end there shall be added the words " or Belize ".