; and (7) provide that passengers of air carriers and air carrier crew members have a right to use cabin oxygen masks in response to a toxic fume event. (c) Civil penalty The Administrator shall impose a civil penalty under section 46301 for each violation of the disclosure required pursuant to subsection (a). 45403. Passenger notification prior to ticket purchase and check-in Beginning on the date of enactment of this section, operators of passenger-carrying aircraft operating under part 121 of title 14, Code of Federal Regulations, shall require passengers to indicate an understanding of potential toxic fume exposure onboard such aircraft in ticket purchase process. 45404. Immediate notification of toxic fume events aboard aircraft Beginning on the date of enactment of this section, the Administrator shall notify all affected customers, flight attendants, pilots, and aircraft maintenance technicians of any exposure to toxic fumes aboard aircraft as soon as an air carrier confirms to the Administrator toxic fumes were detected onboard such aircraft. 45405. Crew notification of toxic fume events (a) In general Operators of passenger-carrying aircraft under part 121 of title 14, Code of Federal Regulations, shall inform all crewmembers of such aircraft of the most recent toxic fume exposure on such aircraft, whether the issue that led to the exposure has been resolved, and if any crewmembers have requested treatment for such exposure. (b) Right To decline assignment Operators under subsection (a) shall provide crewmembers with an option to decline an assignment onboard an aircraft covered under subsection (a) if the issue that led to an exposure reported under such subsection has not been resolved, without penalizing such crewmember. 45406. Civil penalty for false statement, misrepresentation, imparting, or conveying false information (a) In general The Administrator shall impose a civil penalty under section 46301 for each specified violation. (b) Specified violation In this section, the term specified violation