Length of sentence, release on licence and temporary discharge Length of sentence, release on licence and temporary discharge England and Wales 24Calculation of term of sentence. 25. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26, 27. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28Power of Secretary of State to discharge prisoners temporarily on account of ill health. Length of sentence, release on licence and temporary discharge