during disaster or emergency (a) In general Section 41712 of title 49, United States Code, is amended by adding at the end the following: (d) Airfare pricing and fees during disaster or other emergency (1) In general It shall be an unfair or deceptive practice under subsection (a) for any ticket agent, air carrier, foreign air carrier, or other person selling or offering to sell a ticket for air transportation on a covered flight to— (A) impose any unreasonable increase in the price of such ticket, as compared to the ticket price in effect on the day on which a flight becomes a covered flight