Complex sentence: Much of this has resulted from the Administration implementing very complex regulatory rewrites instead of obtaining the comprehensive legislation from Congress that was needed to fix the system, resulting in well over a thousand pages of detailed regulatory changes in a continual flood of federal register notices.
Split into simpler sentences: Much of this has resulted from the Administration implementing very complex regulatory rewrites instead of obtaining the comprehensive legislation from Congress that was needed to fix the system. This has resulted in hundreds of pages of detailed regulatory changes in a continual flood of federal register notices.