The duration of the bond or other assurance shall be for two years from the date of approval of the development by the legislative authority. An extension of time may be granted by the legislative authority upon application by the petitioners, provided such application is submitted at least sixty days prior to the expiration of the bond and provided the issuer of the bond is willing to extend the time of the assurance. (Ord. 99-06 (part), 1999: prior code § 27-23-13)