; and (2) in section 47107 by adding at the end the following: (x) Waiver of requirements (1) In general Notwithstanding the requirements of this section, during a public health emergency, the Secretary shall waive any grant assurance that conflicts with a reasonable restriction implemented by a State, territory, or Indian Tribe as set forth in section 40103(f) without an airport owner or operator submitting a request for such a waiver. (2) Definitions For purposes of this subsection, the following definitions apply: (A) Public health emergency The term public health emergency means a declaration under section 319(a) of the Public Health Service Act ( 42 U.S.C. 247d(a) ) related to a communicable disease. (B) Reasonable restriction The term reasonable restriction means any good faith restriction or condition imposed or implemented on intended passengers prior to boarding a plane by a State, territory of the United States, or Indian Tribe to prevent the spread of a communicable disease during a public health emergency. .