Guyana

(1) It is the duty of Parliament, the Government, the courts and all other public agencies to be guided in the discharge of their functions by the principles set out in this Chapter⁴ and Parliament may provide for any of those principles to be enforceable in any court or tribunal.
(2) In the interpretation of the fundamental rights provisions in this Constitution a court shall pay due regard to international law, international conventions, covenants and charters bearing on human rights. (Art. 39)

(1) An appeal to the Court of Appeal shall lie as of right from decisions of the High Court in the following cases, that is to say -
…
(b) final decisions given in exercise of the jurisdiction conferred on the High Court by article 153 (which relates to the enforcement of fundamental rights and freedoms).
… (Art. 133)

(1) Subject to the provisions of paragraph (6), if any person, including a person acting on behalf of another who is not acting in his or her own name, or a person acting on behalf of a group or an association acting on behalf of its members, alleges that any of the provisions of articles 138 to 151 (inclusive)⁵ has been, is being, or is likely to be contravened in relation to him or her (or in the case of a person who is detained, if any other person alleges such a contravention in relation to the detained person) then, without prejudice to any other action with respect to the same matter which is lawfully available, that person or association (or that other person) may apply to the High Court for redress.
(2) The High Court shall have original jurisdiction -
(a) to hear and determine any application made by any person in pursuance of the preceding paragraph;
(b) to determine any question arising in the case of any person which is referred to it in pursuance of the next following paragraph,
and may make such orders, issue such writs and give such directions as it may consider appropriate for the purpose of enforcing or securing the enforcement of any of the provisions of article 138 to 151 (inclusive).
(3) If in any proceedings in any court subordinate to the High Court any question arises as to the contravention of any of the provisions of articles 138 to 151 (inclusive), the person presiding in that court shall refer the question to the High Court unless, in his opinion, the raising of the question is merely frivolous or vexatious.
(4) Where any question is referred to the High Court in pursuance of paragraph (3), the High Court shall give its decision upon the question and the court in which the question arose shall dispose of the case in accordance with that decision or if that decision is the subject of an appeal under this Constitution to the Court of Appeal, in accordance with the decision of the Court of Appeal.
(5) Parliament may confer upon the High Court such powers in addition to those conferred by this article as may appear to Parliament to be necessary or desirable for the purpose of enabling the High Court more effectively to exercise the jurisdiction conferred upon it by this article.
(6) Parliament may make provision with respect to the practice and procedure -
(a) of the High Court in relation to the jurisdiction and powers conferred upon it by or under this article;
(b) of the High Court and the Court of Appeal in relation to appeals to the Court of Appeal from decisions of the High Court in the exercise of such jurisdiction;
(c) of subordinate courts in relation to references to the High Court under paragraph (3),
including provision with respect to the time within which any application, reference or appeal shall or may be made or brought; and, subject to any provision so made, provision may be made with respect to the matters aforesaid by rules of court. (Art. 153)

(1) Subject to paragraphs (3) and (6), every person, as contemplated by the respective international treaties set out in the Fourth Schedule to which Guyana has acceded is entitled to the human rights enshrined in the said international treaties, and such rights shall be respected and upheld by the executive, legislature judiciary and all organs and agencies of Government and, where applicable to them, by all natural and legal persons and shall be enforceable in the manner hereinafter prescribed.
… (Art. 154A)