83.—(1) No prisoner shall be required to work, or take part in an educational class arranged in terms of rule 86 in lieu of work, for more than 40 hours a week (excluding meal breaks).
(2) Every prisoner shall be entitled to a minimum of one day each week as a rest day on which he or she shall not be required to work or take part in an educational class in lieu of work.
(3) Insofar as it may be reasonably practicable, having regard to the requirements of the prison regime, a prisoner who has declared him or herself to belong to a religious denomination shall–
(a)be entitled to take the rest day on the recognised day of religious observance; and
(b)not be required to work or take part in an educational class arranged in terms of rule 86 in lieu of work on such other days in a year as are recognised days of religious observance for the religious denomination and are specified in a direction made by the Scottish Ministers.
(4) A prisoner shall be entitled to work in association with other prisoners except where–
(a)an order has been made under rule 94 removing him or her from association with other prisoners either generally or during any period the prisoner is undertaking work;
(b)the prisoner has been removed from association in terms of rule 114(2); or
(c)the prisoner is subject to cellular confinement imposed under rule 119(1)(d).