This chapter shall not affect the validity of any judicial or administrative proceeding pending or which was commenced before April 4, 1990, and any successor department shall be substituted as the proper party at interest. Furthermore, upon the transfer of any function under this chapter, the agency assuming the transfer and performing the function in the future shall be construed as a continuation of the original agency for the purpose of federal aid and may continue to receive any such funds to carry out or perform such functions.