Section 81A(1) in Karnataka Land Reforms Act, 1961
(1)No document relating to any transfer of land either by sale, gift, exchange, lease, mortgage with possession surrender, agreement, settlement, or otherwise, shall be registered unless a declaration in writing is made in duplicate in such form as may be prescribed and filed by the transferee before the registering authority under the Indian Registration Act, 1908 (Central Act XVI of 1908), as to the total extent of land held by him as also his assured annual income.