143.—The Minister may by order increase or reduce any of the sums specified in sections 8(1)(a) and (2), 11(1)(a), 15, 39(4), 45(1), 61(3)(h) and (k), 81(1)(b) and (c), 92(2), 95(2), and 101, but such an order shall not affect any case in which a person was adjudicated bankrupt or granted protection before it came into force.