29. (1) On receipt of an appeal the Board shall send a copy thereof to the building control authority against whose decision the appeal is made.

(2) A building control authority to whom a copy of an appeal has been sent under sub-article (1) may, within a period of one month beginning on the day on which a copy of the appeal is sent to it by the Board, make in writing to the Board such submissions or observations on the appeal as the authority thinks fit.

(3) Without prejudice to article 31 a building control authority shall not be entitled to elaborate upon any submissions or observations made in accordance with sub-article (2), or make further submissions or observations in relation to, the appeal and any such elaboration or submission that is or are received by the Board shall not be considered by it.