; and (2) by inserting after the item relating to the eleventh circuit the following: Twelfth Phoenix, Seattle. . 7. Assignment of circuit judges (a) In general Except as provided in subsection (b), each circuit judge of the former ninth circuit who is in regular active service and whose official duty station on the day before the effective date of this Act— (1) is in California, Guam, Hawaii, or the Northern Mariana Islands shall be a circuit judge of the new ninth circuit as of such effective date