The main purpose of this legislation is to ensure that patients continue to have access to ground ambulance services under Medicare, specifically under part B of the program. The goal is to protect these essential services from potential cuts or restrictions that could affect patient care. Key provisions of the legislation include extending the timeline for certain Medicare provisions related to ground ambulance services. Specifically, it changes the deadlines from 2025 to 2028 for certain regulations and requirements that impact how ground ambulance services are reimbursed under Medicare.