Botswana

(1) If any person is charged with a criminal offence, then, unless the charge is withdrawn, the case shall be afforded a fair hearing within a reasonable time by an independent and impartial court established or recognized by law.
(2) Every person who is charged with a criminal offence-
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(d) shall be permitted to defend himself or herself before the court in person or, at his or her own expense, by a legal representative of his or her own choice;
(e) shall be afforded facilities to examine in person or by his or her legal representative the witnesses called by the prosecution before the court, and to obtain the attendance and carry out the examination of witnesses to testify on his or her behalf before the court on the same conditions as those applying to witnesses called by the prosecution;
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(8) No person shall be convicted of a criminal offence unless that offence is defined and the penalty therefor is prescribed in a written law:
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(12) Nothing contained in or done under the authority of any law shall be held to be inconsistent with or in contravention of-
(b) subsection (2)(d) or (2)(e) of this section to the extent that the law in question prohibits legal representation before a subordinate court in proceedings for an offence under customary law (being proceedings against any person who, under that law, is subject to that law);
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(e) subsection (8) of this section to the extent that the law in question authorizes a court to convict a person of a criminal offence under any customary law to which, by virtue of that law, such person is subject.
... (Sec. 10)

(1) Subject to the provisions of subsections (4), (5) and (7) of this section, no law shall make any provision that is discriminatory either of itself or in its effect.
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(3) In this section, the expression “discriminatory” means affording different treatment to different persons, attributable wholly or mainly to their respective descriptions by race, tribe, place of origin, political opinions, colour, creed or sex whereby persons of one such description are subjected to disabilities or restrictions to which persons of another such description are not made subject or are accorded privileges or advantages which are not accorded to persons of another such description.
(4) Subsection (1) of this section shall not apply to any law so far as that law makes provision-
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(c) with respect to adoption, marriage, divorce, burial, devolution of property on death or other matters of personal law;
(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;
… (Sec. 15)

(1) There shall be a Ntlo ya Dikgosi for Botswana which shall consist of not less than 33 nor more than 35 Members which shall be constituted as follows-
(a) one person from each of the following areas, which person for the time being performs the functions of the office of Kgosi in respect of such areas-
(i) Barolong Farms in the Southern District,
(ii) Chobe in the North West District,
(iii) Ga Malete in the South East District,
(iv) Ga Mmangwato in the Central District,
(v) Ghanzi District,
(vi) Goo Tawana in the North West District,
(vii) Kgalagadi District,
(viii) Kgatleng District,
(ix) Kweneng District,
(x) Ngwaketse in the Southern District,
(xi) North East District, and
(xii) Tlokweng in the South East District;
(b) five persons who shall be appointed by the President; and
(c) such number of persons, not being more than 20, as may be selected under section 78(4)(c) of this Constitution.
(2) Notwithstanding the provisions of subsection (1)(a), the number of persons referred to in that subsection may, by virtue of section 78 (5), be less than 12, but not less than 10. (Sec. 77)

(1) Except for the areas of Ghanzi, Chobe, Kgalagadi and North East, the Members for the areas referred to in section 77(1)(a) shall be designated to the Ntlo ya Dikgosi according to the established norms and practices of those areas.
(2) The Members for the Ghanzi, Chobe, Kgalagadi and North-East areas referred to in section 77(1)(a) shall be selected, from their own number, to the Ntlo ya Dikgosi by persons for the time being performing the functions of the office of Kgosi within each of those areas.
… (Sec. 78)

(1) A person shall be qualified to be appointed under section 77(1)(b) as a Member of the Ntlo ya Dikgosi if he or she-
(a) is a citizen of Botswana; and
(b) has attained the age of 21 years.
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(4) A Member of the Ntlo ya Dikgosi shall not, while he or she is such a Member, participate in party politics, but active participation in politics prior to being a Member of the Ntlo ya Dikgosi shall not bar any person from being such a Member. (Sec. 79)

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(2) The National Assembly shall not proceed upon any Bill (including any amendment to a Bill) that, in the opinion of the person presiding, would, if enacted, alter any of the provisions of this Constitution or affect-
(a) the designation, recognition, removal of powers of Dikgosi or Dikgosana
(b) the organization, powers or administration of customary courts;
(c) customary law, or the ascertainment or recording of customary law; or
(d) tribal organization or tribal property,
unless-
(i) a copy of the Bill has been referred to the Ntlo ya Dikgosi after it has been introduced in the National Assembly; and
(ii) a period of 30 days has elapsed from the date when the copy of the Bill was referred to the Ntlo ya Dikgosi. (Sec. 88)