Lesotho

1. Where any question as to the interpretation of this Constitution arises in any proceedings in any subordinate court or tribunal and the court or tribunal is of the opinion that the question involves a substantial question of law, the court or tribunal may, and shall, if any party to the proceedings so requests, refer the question to the High Court.
… (Sec. 128)

1. In addition to the right of appeal accorded by section 47 of this Constitution, an appeal shall lie as of right to the Court of Appeal from decisions of the High Court in the following cases, that is to say:
a. subject to section 69 of this Constitution, final decisions in any civil or criminal proceedings on questions as to the interpretation of this Constitution, including any such decision made on a reference to the High Court under section 128;
b. final decisions of the High Court in the determination of any question in respect of which a right of access to the High Court is guaranteed by section 17 of this Constitution and final decisions of the High Court under section 22 of this Constitution.
… (Sec. 129)