(a) The platting board shall within 60 days of filing approve or disapprove the plat or shall return it to the applicant for modification or correction. If the board fails to act, the plat is considered approved and a certificate of approval shall be issued by the board on demands The applicant for plat approval may consent to the extension of the period for action by the board. The board shall state on its record and in writing to the applicant its reason for disapproval of a plat.
(b) The platting board shall submit an approved plat to the district recorder in compliance with A.S. 40.15.010 through 40.15.020.