Notwithstanding the addition of section 8 of this chapter by P.L. 204-2001, a person may pay a civil penalty:
before August 1, 2001, without the imposition of a late payment penalty or interest under section 8 of this chapter, as added by P.L. 204-2001. After July 30, 2001, late payment penalties and interest shall be added to the civil penalty as if section 8 of this chapter, as added by P.L. 204-2001, were in effect on the date that the civil penalty was imposed.
IC 7.1-6-2-0.4