in a parcel of real property may at any time request a review by the department of the department mapping data applying to the parcel of real property.
the person that requested the review of the department mapping data and applied to the local floodplain administrator for a permit may elect whether the local floodplain administrator, in reviewing the person's permit application, will use the department mapping data or an engineering study provided by the person.
IC 14-28-3-7.4