56. A certificate issued by the Minister of Transport, under section 50 or 54, and signed by him or by the Deputy Minister, shall be final and shall establish beyond dispute the exigibility of the debt or contribution from the corporation designated. Such debt or contribution shall be recoverable by the Crown by ordinary suit.
R. S. 1964, c. 133, s. 63; 1972, c. 54, s. 32.