The review jurisdiction of the Tribunal is invoked—
(a) by a person who is entitled to do so by or under an enabling enactment applying to the Tribunal in accordance with section 67 for review of a decision under that enactment; or
(b) by a decision-maker referring a decision to the Tribunal under an enabling enactment in accordance with section 69 for review of the decision; or
(c) in any other way permitted or provided for by the enabling enactment.