; or (2) the passenger is engaging in behavior that is obscene, disruptive, or otherwise unlawful . (c) Rule of construction Nothing in this section may be construed to limit or otherwise affect the responsibility or authority of a pilot in command of an aircraft under section 121.533 of title 14, Code of Federal Regulations, or any penalty under section 46504 of title 49, United States Code. (d) Elimination of limitation on compensation for being denied boarding Not later than 1 year after the date of the enactment of this Act, the Secretary of Transportation shall review air carrier policies and revise the regulations under part 250 of title 14, Code of Federal Regulations, to eliminate the dollar amount limitations under paragraphs (2) and (3) of subsections (a) and (b) of section 250.5 of that part on the amount of compensation that may be provided to a passenger who is denied boarding involuntarily. (e) Oversales (1) In general The Comptroller General of the United States shall review airline policies and practices related to oversales of flights. (2) Considerations In conducting the review under paragraph (1), the Comptroller Generals shall examine— (A) impact on passengers, including the prevalence of a negative impact on passengers, as a result of an oversale; (B) economic and operational factors which results in oversales; (C) whether, and if so how, the incidence of oversales varies depending on markets