25. Staff  26. Class-child ratio  ( d )  for the application in the case of members of a particular race, community or tribe of  customary law with respect to any matter whether to the  exclusion of any law in respect  to that matter which is applicable in the case of other persons or not; or ( e )  whereby persons of any such description as is mentioned in subsection (3) of this section  may be subjected to any disability or restriction or m ay be accorded any privilege or  advantage which, having regard to its nature and to special circumstances pertaining to  those persons or to persons of any other such description, is reasonably justifiable in a  democratic society. ( a )  if that law was in force immediately before  the coming into operation of this Constitution  and has continued in force at all times since the coming into operation of this  Constitution; or  ( b )  to the extent that the law repeals and re -enacts any provision which has been contained  in any written lawat all times since immediately before the coming into operation of this  Constitution. ( a )  he or she shall, as soon as reasonably practicable and in any case not more than five  days after the commencement of his or her detention, be furnished with a statement in  writing in a language that he or she understands specifying in detail the grou nds upon  which he or she is detained;  ( b )  not more than 14 days after the commencement of his or her detention, a notification  shall be published in the  Gazette  stating that he or she has been detained and giving  particulars of the provision of law under  which his or her detention is authorized; ( c )  not more than one month after the commencement of his or her detention and thereafter  during his or her detention at intervals of not more than six months, his or her case shall  (5) Nothing contained in any law shall be held to be inconsistent with or in contravention of  subsection (1) of this section to the extent that it makes reasonable provision with respect to  qualifications for service as a public officer or as a member of a disciplined force or for  the service  of a local government authority or a body corporate established directly by any law. (6) Subsection (2) of this section shall not apply to anything which is expressly or by  necessary implication authorized to be done by any such provision of  law as is referred to in  subsection (4) or (5) of this section. (7) Nothing contained in or done under the authority of any law shall be held to be  inconsistent with or in contravention of this section to the extent that the law in question makes  provision whereby persons of any such description as is mentioned in subsection (3) of this  section may be subjected to any restriction on the rights and freedoms guaranteed by sections 9,  11, 12, 13 and 14 of this Constitution, being such a restriction as is auth orized by section 9(2),  11(5), 12(2) 13(2), or 14(3), as the case may be. (8) Nothing in subsection (2) of this section shall affect any discretion relating to the  institution, conduct or discontinuance of civil or criminal proceedings in any court that i s vested in  any person by or under this Constitution or any other law. (9) Nothing contained in or done under the authority of any law shall be held to be  inconsistent with the provisions of this section -  (1) Nothing contained in or done under the authority of any law shall be held to be  inconsistent with or in contravention of section 5 or 15 of this Constitution to the extent that the law  authorizes the taking during any period when Botswana is at war or any period when a declaration  under section 17 of this Constitution is in force, of measures that are r easonably justifiable for the  purpose of dealing with the situation that exists during that period. (2) Where a person is detained by virtue of such an authorization as is referred to in  subsection (1) of this section the following provisions shall apply -  16.  Derogation from fundamental rights and freedoms  Copyright Government of Botswana