(a) Except as provided in subsection (b), the repeal of chapter 181 shall not affect:
(1) the operation of said chapter 181 or any action taken under it before its repeal;
(2) any ratification, right, remedy, privilege, obligation, or liability acquired, accrued, or incurred under said chapter 181 before its repeal;
(3) any violation of said chapter 181, or any penalty, forfeiture, or punishment incurred because of the violation, before its repeal; or
(4) any proceeding commenced under said chapter 181 before its repeal, and the proceeding may be completed in accordance with said chapter 181 as if it had not been repealed.
(b) If a penalty or punishment imposed for a violation of said chapter 181 is reduced by chapter 156D, the penalty or punishment if not already imposed shall be imposed in accordance with this chapter.