Provided that the said period of thirty days shall not begin to run until the site has been approved under section 294.

Reference to council if Commissioner delays grant or refusal of approval or permission.- (1) If within the period prescribed by section 294 or section 295, as the case may be, the Commissioner has neither given nor refused his approval of a building site, or his permission to execute any work, as the case may be, the council shall be bound, on the written request of the applicant, to determine by order in writing whether such approval or permission should be given or not.

1. (2) If the council does not, within one month from the receipt of such written request determine whether such approval or permission should be given or not, such approval or permission shall be deemed to have been given and the applicant may proceed to execute the work, but not so as to contravene any of the provisions of this Act or any rules or bye-laws made thereunder.