Without limiting any other provision of this Act, it is hereby declared that the repeal or revocation of any provision by any Act, Order in Council, notice, regulations, or rules shall not affect any document made or any thing whatsoever done under the provision so repealed or revoked or under any corresponding former provision, and every such document or thing, so far as it is subsisting or in force at the time of the repeal or revocation and could have been made or done under that Act, Order in Council, or notice, or under those regulations or rules, shall continue and have effect as if it had been made or done under the corresponding provision of that Act, Order in Council, or notice, or of those regulations or rules, and as if that provision had been in force when the document was made or the thing was done.”