Zambia

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5. A matter relating to this Constitution shall be heard by the Constitutional Court. (Art. 1)

1. Judicial authority vests in the courts and shall be exercised by the courts in accordance with this Constitution and other laws.
2. The courts shall perform the following judicial functions:
a. hear civil and criminal matters; and
b. hear matters relating to, and in respect of, this Constitution.
… (Art. 119)

1. Subject to Article 28, the Constitutional Court has original and final jurisdiction to hear—
a. a matter relating to the interpretation of this Constitution;
b. a matter relating to a violation or contravention of this Constitution;
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2. Subject to Article 28 (2), where a question relating to this Constitution arises in a court, the person presiding in that court shall refer the question to the Constitutional Court.
3. Subject to Article 28, a person who alleges that—
a. an Act of Parliament or statutory instrument;
b. an action, measure or decision taken under law; or
c. an act, omission, measure or decision by a person or an authority; contravenes this Constitution, may petition the Constitutional Court for redress.
4. A decision of the Constitutional Court is not appealable to the Supreme Court. (Art. 128)