Unless specifically provided otherwise in this act or by any operative law, whenever, pursuant to existing law, reports, certifications, applications, or requests are required or permitted to be made to a department, institution, division, bureau, board, commission, council, or other agency whose powers and duties are herein assigned or transferred by a type 2, 3, or 4 transfer, then those reports and certifications shall thereafter be filed with, and the applications or requests shall thereafter be made to, the principal department or agency to which assignment or transfer has been made.