Section 154(2) in Karnataka Panchayat Raj Act, 1993
(2)The Executive Officer shall execute contract or agreements on behalf of the Taluk Panchayat in respect of matters which he is empowered to carry out under the provisions of this Act. He may execute such contract or agreement on behalf of Taluk Panchayat upto such amount of value of contract or agreement as may be specified by the Government from time to time. In all other cases he shall execute a contract or agreement only with the sanction of the Taluk Panchayat.