83.—(1) No prisoner is required to work, or take part in an educational class arranged in terms of rule 84 in lieu of work, for more than 40 hours a week (excluding meal breaks).
(2) Every prisoner is entitled to a minimum of one day each week as a rest day on which he or she will not be required to work or take part in an educational class in lieu of work.
(3) A prisoner who has declared himself or herself to belong to a particular religion or religious denomination is entitled, as far as reasonably practicable—
(a)to take the weekly rest day specified in paragraph (2) on any recognised weekly day of religious observance; and
(b)to be excused from work or from undertaking an educational class or counselling, arranged in terms of rule 84, on such other days in a year as are recognised days of religious observance and are specified in a direction made by the Scottish Ministers.
(4) A prisoner is entitled to work in association with other prisoners except where—
(a)an order has been made under rule 95 removing him or her from association with other prisoners either generally or during any period the prisoner is undertaking work;
(b)the prisoner is subject to cellular confinement imposed under rule 114(1)(d).