151. (1) Wherever it is provided in this Ordinance, or the rules or by-laws, that the permission or sanction of a Paurashava shall be necessary to the doing of any act, such permission or sanction shall be in writing. (2) Every licence, sanction or permission granted by or under the authority of a Paurashava shall be signed by the Chairman, or with the permission of the Chairman, by such official of the Paurashava as may be authorised in this behalf by rules or regulations.