Botswana

(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.
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(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.
… (Sec. 15)