7E+W+SA person sentenced to a term of imprisonment within the meaning of section 60 of this Act for eighteen months or more and subject immediately before the commencement of that section to a licence under section 25 of the M1Prison Act 1952 or section 20 of the M2Prisons (Scotland) Act 1952 (release on licence instead of remission in the case of prisoners under twenty-one) shall be treated as if he had been released on licence under section 60(3)(b) of this Act and as if the requirements specified in the licence under the said section 25 or 20 were conditions specified in a licence under the said paragraph (b).