to decide. Whenever a judicial or quasijudicial tribunal is empowered or required to enquire into a question of law or fact for the purpose of giving a decision on it, its findings thereon cannot be impeached collaterally or on an application for certiorari but are binding until reversed on appeal. Where a quasi-judicial authority has jurisdiction to decide a matter, it does not lose its jurisdiction by coming to a wrong conclusion whether it is wrong in law or in fact. The question, whether a tribunal has jurisdiction depends not on the truth or falsehood of the facts into which it has to enquire, or upon the correctness of its findings on these facts, but upon their nature, and it is determinable "at the commencement, not at the conclusion, of the inquiry". (Rex v. Boltan (1841)1 QB 66 at p. 74). Thus, a tribunal empowered to determine claims for compensation for loss of office has jurisdiction to determine all questions of law and fact relating to the measure of compensation and the tenure of the office, and it does not exceed its jurisdiction by determining any of those questions incorrectly; but it has no jurisdiction to entertain a claim for reinstatement or damages for wrongful dismissal, and it will exceed its jurisdiction if it makes an order in such terms, for it has no legal power to