If a request for a permit is submitted under this chapter by or for a county drainage board for a project for the reconstruction or maintenance of a regulated drain under IC 36-9-27, the department shall approve or refuse the request within one hundred fifty (150) calendar days after the request is deemed complete by the department. A request held more than one hundred fifty (150) calendar days by the department without being either approved or refused shall be considered approved.
IC 14-26-5-7.4