Guyana

(1) Subject to the provisions of this article -
(a) no law shall make any provision that is discriminatory either of itself or in its effect; and
(b) no person shall be treated in a discriminatory manner by any person acting by virtue of any written law or in the performance of the functions of any public office or any public authority.
(2) In this article the expression ‘discriminatory’ means affording different treatment to different persons attributable wholly or mainly to their or their parents’ or guardians’ respective descriptions by race, place of origin, political opinion, colour, creed, age, disability, marital status, sex, gender, language, birth, social class, pregnancy, religion, conscience, belief or culture whereby persons of one such description are subjected to disabilities or restrictions to which other persons of the same or another such description are not made subject or are accorded privileges or advantages which are not afforded to persons of another such description.
(3) Paragraph (1)(a) shall not apply to any law so far as that law makes provision -
…
(b) with respect to adoption, marriage, divorce, burial, devolution of property on death or other matters of personal law;
… (Art. 149)