The purpose of this legislation is to update the Coastal Zone Management Act of 1972. It aims to streamline the process by which coastal states are presumed to agree with certain federal activities that may impact their coastal zones. This change is intended to facilitate the approval of projects deemed important for national security, economic development, or disaster recovery. Key provisions of the legislation include a new rule that states will automatically be assumed to agree with specific federal activities unless they formally object within a set timeframe.