. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Nothing in this Part shall prejudice or interfere with the rights or remedies of any owner for the breach, non-observance or non-performance of any contract or obligation entered into by a tenant or lessee with reference to any house in respect of which an order or resolution is made by a local authority under this Part; and if any owner is obliged to take possession of any house in order to comply with any such order or resolution the taking possession shall not affect his right to avail himself of any such breach, non-observance or non-performance which may have occurred before he so took possession.