Work
31.—(1) A convicted prisoner shall be required to do useful work for not more than 10 hours a day, and arrangements shall be made to allow prisoners to work, where possible, outside the cells and in association with one another.
(2) The medical officer or a medical practitioner such as is mentioned in rule 20(3) may excuse a prisoner from work on medical grounds, and no prisoner shall be set to do work which is not of a class for which he has been passed by the medical officer or by a medical practitioner such as is mentioned in rule 20(3) as being fit.
(3) No prisoner shall be set to do work of a kind not authorised by the Secretary of State.
(4) No prisoner shall work in the service of another prisoner or an officer, or for the private benefit of any person, without the authority of the Secretary of State.
(5) An unconvicted prisoner shall be permitted, if he wishes, to work as if he were a convicted prisoner.
(6) Prisoners may be paid for their work at rates approved by the Secretary of State, either generally or in relation to particular cases.