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Leases deemed to be building leases. | 
8.—(1) Where a lease was granted in renewal of a lease which expired or was surrendered before the 31st day of March, 1931, and which, if the Act of 1958 were then in force, would have been a building lease or a proprietary lease within the meaning of that Act, and that renewed lease or new lease, as the case may be, was granted— |