All other acts or parts of acts in conflict with this chapter are repealed; provided, that nothing contained in this chapter invalidates or affects any action taken under any law in effect prior to January 1, 2000; nor does it invalidate or affect any proceeding instituted under that law before January 1, 2000; nor does it invalidate the rules and regulations promulgated by the Rhode Island board of accountancy under the prior law, the rules and regulations (to the extent they are not inconsistent with the provisions of this chapter) to remain in full force and effect until new rules and regulations are promulgated by the board.