Section 18

In addition to any other powers, the Board may, for the purpose of providing housing accommodation or the execution of any housing scheme, take such steps for the compulsory acquisition of any land or interest therein to be required for the execution of a housing scheme or the discharge of any duties or functions of the Board. The Board may approach any person for the acquisition of such land by purchase, exchange or otherwise of such land and interest or rights therein which are wholly or part, to pay an amount proportional to the loss or deprivation caused to the employment of land. (3) The Board may take the acquisition of land by purchase for a public purpose.