Section 49(1)(a) in The Gujarat Co-Operative Societies Act, 1961
(a)any person who makes an application to a society of which he is a member, for a loan shall, if he owns any land or has interest in any land as a tenant, make a declaration in the prescribed form. Such declaration shall state that the applicant thereby creates a charge on such land or interest specified in the declaration for the payment of the amount of the loan which the society may make to the member in pursuance of the application, and for all future advances, if any, required by him which the society may make to him as such member, subject to such maximum as may be determined by the society, together with interest on such amount of the loan and advances;