To direct the Comptroller General to conduct a study of the legal requirements and policies followed by the Department of Transportation in deciding whether to approve international alliances between air carriers and foreign air carriers and grant exemptions from the antitrust laws in connection with such international alliances, and for other purposes.

Directs the Comptroller General to study legal requirements and policies followed by the Department of Transportation in deciding whether to: (1) approve cooperative agreements between an air carrier and a foreign air carrier (international alliances) to provide foreign air transportation; and (2) exempt such alliances from the U.S. antitrust laws.

Requires: (1) the Comptroller General to report to the Secretary and Congress study results, including any recommendations for authority or policy changes with respect to approving such alliances and granting such exemptions; and (2) the Secretary to issue a determination, after public comment, whether such changes will be adopted.