| (a) | - | every transaction involving the allowing of the possession of any immovable property to be taken or retained in part performance of a contract of the nature referred to in section 53A of the Transfer of Property Act, 1882 (4 of 1882), and |
| (b) | - | every transaction (whether by way of becoming a member of, or acquiring shares in, a co-operative society, company or other association of persons or by way of any agreement or any arrangement of whatever nature) whereby a person acquires any rights in or with respect to any building or part of a building (whether or not including any machinery, plant, furniture, fittings or other things therein) which has been constructed or which is to be constructed [not being a transaction by way of sale, exchange or lease of such building or part of a building which is required to be registered under the Registration Act, 1908 (16 of 1908)], |