Appeal from orders under section 9, 10, 21 or 26 to the prescribed authority

(1) Any person aggrieved by a decision of the Deputy Commissioner under section 9, 10, 21 or 26 may, within thirty days from the date of the decision, or such further time as the prescribed authority may for sufficient cause allow, appeal to the prescribed authority and its decision shall be final. (2) If any question arises whether any building or land falls within the scope of sub-section (2) of section 7 or sub-section (2) of section 8 or section 11 it shall be referred to the prescribed authority whose decision shall be final.