Sec. 2. (a) This section does not apply to permit applications described in section 1(a)(1) or 1(a)(2) of this chapter.
(b) If the department determines that a public hearing should be held under:
(1) IC 13-15-3-3; or
(2) any other applicable rule or law;
the commissioner has thirty (30) days in addition to the number of days provided for in section 1 of this chapter in which to approve or deny the application.