This bill modifies Medicare rules to help rural hospitals become critical access hospitals, which receive special Medicare funding and support. Specifically, it waives certain distance requirements that normally apply when hospitals seek critical access hospital designation, allowing rural community hospitals that participated in an existing demonstration program to qualify for this status over a one-year period starting six months after the bill's enactment. Critical access hospitals are important to rural areas because they receive cost-based reimbursement from Medicare rather than standard payment rates, helping them maintain operations and emergency services in underserved communities. The legislation affects rural hospitals seeking to improve their financial sustainability and the Medicare program's administration of hospital designations, though it does not specify new federal funding amounts. The waiver applies only to hospitals meeting the rural community hospital definition and those that were already participating in the Medicare demonstration program as of the bill's effective date.