Changes of clothing
20.—(1) Subject to paragraph (2), the Governor shall ensure that every prisoner has sufficient clothing, whether of his own or provided pursuant to rule 19(1), to enable the prisoner–
(a)to change daily his socks and underwear and such other articles of clothing as may be specified in a direction by the Secretary of State; and
(b)to have a clean change of other clothing as often as is necessary for the purposes of health and hygiene.
(2) Where the Secretary of State considers that it is not practicable, by reason of the circumstances pertaining in, or facilities available at, any prison, to enable prisoners to change daily their socks and underwear or any other article of clothing, he may specify in a direction–
(a)that paragraph (1)(a) shall not apply in relation to prisoners in that prison; or
(b)that in the application of paragraph (1)(a) to prisoners detained in that prison, the frequency with which prisoners shall be able to change socks and underwear shall be at such lesser frequency as is specified in the direction.