Ninth Circuit Court of Appeals Reorganization Act of 2003

Ninth Circuit Court of Appeals Reorganization Act of 2003 - Divides the current U.S. Court of Appeals for the ninth circuit into: (1) the ninth circuit, composed of California and Nevada, consisting of 25 judges, and holding regular sessions in San Francisco and Los Angeles; and (2) the twelfth circuit, composed of Alaska, Arizona, Guam, Hawaii, Idaho, Montana, Northern Mariana Islands, Oregon, and Washington, consisting of 13 judges, and holding regular sessions in Portland and Seattle.

Authorizes a circuit judge of the former ninth circuit who is in regular active service or who is a senior judge to elect to be assigned to either of the two new circuits.