287. (1) The decisions of the Supreme court shall be enforced in any part of the Federation by all authorities and persons, and by courts with subordinate jurisdiction to that of the supreme Court.

(2) The decisions of the Court of Appeal shall be enforced in any part of the Federation by all authorities and persons, and by courts with subordinate jurisdiction to that of the court of Appeal.

(3) The decisions of the Federal High Court, a High Court and of all other courts established by this Constitution shall be enforced in any part of the Federation by all authorities and persons, and by other courts of law with subordinate jurisdiction to that of the Federal High Court, a High Court and those other courts, respectively.