; and (2) by inserting after the item relating to the Eleventh Circuit the following: Twelfth 13 . 6. Places of circuit court The table contained in section 48(a) of title 28, United States Code, is amended— (1) by striking the item relating to the Ninth Circuit and inserting the following: Ninth Honolulu, San Francisco, Pasadena. ; and (2) by inserting after the item relating to the Eleventh Circuit the following: Twelfth Phoenix, Seattle, Portland. . 7. Assignment of circuit judges (a) In general 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, or Hawaii shall be a circuit judge of the new Ninth Circuit as of such effective date; and (2) is in Alaska, Arizona, Idaho, Montana, Nevada, Oregon, or Washington shall be a circuit judge of the Twelfth Circuit as of such effective date. 8. Election of assignment by senior judges Each judge who is a senior circuit judge of the former Ninth Circuit on the day before the effective date of this Act may elect to be assigned to the new Ninth Circuit or to the Twelfth Circuit as of such effective date, and shall notify the Director of the Administrative Office of the United States Courts of such election. 9. Seniority of judges The seniority of each judge— (1) who is assigned under section 7