Sec. 4. (a) A request for a permit may be made by any person interested in the proposed work by filing with the department the following:
(1) A brief statement and description of the work.
(2) Plans and specifications for the work.
(3) An investigation fee of a minimum of twenty-five dollars ($25).
(b) Subject to IC 14-10-2-1, the commission may set an investigation fee above the minimum fee established under subsection (a)(3).