(1) Subject to the provisions of subsections (4) and (5) no law shall make any provision that is discriminatory either of itself or in its effect.
(3) In this section, the expression “discriminatory” means affording different treatment to different persons attributable wholly or mainly to their respective descriptions by race, colour, sex, language, religion, political or other opinion, national or social origin, property, birth or other status 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) shall not apply to any law to the extent that that law makes provision—
(c) for the application of the customary law of Lesotho with respect to any matter in the case of persons who, under that law, are subject to that law;
… (Sec. 18)