the Secretary of Health and Human Services, and the Director of the Centers for Disease Control and Prevention, shall issue policy for deploying a temperature check program at airports and airport security screening locations through the end of the COVID–19 public health emergency for domestic and international passengers, individuals accompanying those passengers, crew members, and other individuals who pass through airports and airport security screening locations. (i) Authority The Administrator may issue regulations to implement the temperature check program under subsection (g), including with respect to secondary screening requirements. 4. Inclusion of information about traveling during public health emergencies in passenger notification system (a) In general The Secretary shall revise section 175.25 of title 49, Code of Federal Regulations, to require the inclusion in the passenger notification system during the COVID–19 public health emergency of— (1) relevant guidelines relating to safe traveling in air transportation