to adopt far more risky and less effective methods which consume scarce resources, including a post-arrival self-policing quarantine which is widely disregarded. 3. Purpose The purpose of this Act shall be to authorize any State to impose reasonable public health-protective conditions on the boarding of any passenger on a passenger airline at the point of origin of a direct flight to such State during a public health emergency. 4. Public health accommodations (a) In general The Administrator of the Federal Aviation Administration shall allow States, territories of the United States, and Indian Tribes to implement reasonable guidelines and restrictions to ensure the public health and safety of air passengers and the public. (b) Amendments to title 49 Title 49 of the United States Code is amended— (1) in section 40103— (A) in subsection (a)(2) by striking A citizen and inserting Except as provided in subsection (f), a citizen