Kiribati

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3. The Beretitenti may withhold his assent to a Bill only if he is of the opinion that the Bill, if assented to, would be inconsistent with this Constitution.
4. If the Beretitenti withholds his assents to a Bill under the preceding subsection, the Bill shall be returned to the Maneaba for amendment.
5. If a Bill which has been returned to the Maneaba under the preceding subsection is again presented to the Beretitent, and the Beretitenti is still of the opinion that the Bill, if assented to, would be inconsistent with this Constitution, the Beretitenti shall refer the Bill to the High Court for a declaration as to whether or not the Bill, if assented to, would be inconsistent with this Constitution.
6. If the High Court declares that the Bill, if assented to, would not be inconsistent with this Constitution, the Beretitenti shall assent to the Bill forthwith; if the High Court declares otherwise, the Bill shall be returned to the Maneaba.
… (Sec. 66)

1. Subject to the provisions of this Constitution, if any person alleges that any provision of this Constitution (other than Chapter II) has been contravened and that his interests are being or are likely to be affected by such contravention, then, without prejudice to any other action with respect to the same matter which is lawfully available, that person may apply to the High Court for a declaration and for relief under this section.
2. The High Court shall have jurisdiction, in any application made by any person under the preceding subsection or in any other proceedings lawfully brought before the Court, to determine whether any provision of this Constitution (other than Chapter II) has been contravened and to make a declaration accordingly:...
3. Where the High Court makes a declaration under the preceding subsection that any provision of this Constitution has been contravened and the person by whom the application under subsection (1) of this section was made or, in the case of other proceedings before the Court, the party in those proceedings in respect of whom the declaration is made, seeks relief, the High Court may grant to that person such remedy, being a remedy available against any person in any proceedings in the High Court under any law in force in Kiribati, as the Court considers appropriate.
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5. The High Court shall have jurisdiction to make a declaration as to whether any Bill referred to it by the Beretitenti under section 66(5) of this Constitution, if assented to, would be inconsistent with this Constitution.
6. Subject to the provisions of this Constitution, the High Court shall have original jurisdiction to hear and determine any question as to the interpretation of this Constitution:Provided that the following authorities only are entitled to make application to the High Court under this subsection—
a. the Beretitenti, acting in accordance with the advice of the Cabinet;
b. the Attorney-General; and
c. the Speaker. (Sec. 88)

1. The High Court shall have jurisdiction to supervise any civil or criminal proceedings before any subordinate court and may make such orders, issue such writs and give such directions as it may consider appropriate for the purpose of ensuring that justice is duly administered by any such court.
2. Where any question as to the interpretation of any provision of this Constitution (other than Chapter II) arises in any subordinate court and the court is of the opinion that the question involves a substantial question of law, the court shall refer the question to the High Court.
3. Where any question is referred to the High Court under the preceding subsection, 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 to the Court of Appeal or to the Judicial Committee, in accordance with the decision of the Court of Appeal or the Judicial Committee. (Sec. 89)

1. An appeal shall lie as of right to the Judicial Committee from any decision of the High Court involving the interpretation of this Constitution in any proceedings in which application has been made to the High Court alleging that any provision of this Constitution has been contravened and the rights or interests of any Banaban or of the Rabi Council under this Chapter or Chapter III are being or are likely to be affected by such contravention.
… (Sec. 123)