15.(1) If the owner considers that the rent stated in a notice issued under section 7 is not reasonable, he may, within a period of thirty days from the service of such notice, refer the matter to a Civil Court, in accordance with the provisions of Chapter IV: Provided that where an appeal has been made to the Officer Commanding the District under section 30, the period of thirty days, shall be reckoned from the date on which the owner received notice of the result of the appeal under sub-section (2) of section 32. (2) If the owner does not make such a reference within the said period, he shall be deemed to have accepted the rent so offered.