; and (2) inserting after the item relating to the eleventh circuit the following: Twelfth Las Vegas, Phoenix, Anchorage, Missoula, Portland, Seattle. . 6. Judgeships (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 is in Alaska, Arizona, Idaho, Montana, Oregon, Washington, Guam, Hawaii, or the Northern Mariana Islands or Nevada shall be a circuit judge of the new ninth circuit as of such effective date. (b) Appointment of judges for the twelfth circuit The President shall appoint, by and with the advice of the Senate, 17 circuit judges for the new twelfth circuit, selected from the States assigned to the new twelfth circuit. The official duty station of a judge appointed under this paragraph shall be the locations in the table contained in section 48(a) of title 28, United States Code, as amended by this Act. 7. Election of assignment by senior judges Each judge who is a senior circuit judge of the former ninth circuit, whose official duty station on the day before the effective date of this Act is in Alaska, Arizona, Idaho, Montana, Oregon, Washington, Guam, Hawaii, Nevada, or the Northern Mariana Islands, may elect to be assigned to the new ninth circuit or 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. 8. Seniority of judges The seniority of each judge appointed under section 6(b) shall run from the date of commission of such judge as a judge of the twelfth circuit. 9. Application to cases The following apply to any case in which, on the day before the effective date of this Act, an appeal or other proceeding has been filed with the former ninth circuit: (1) Except as provided in paragraph (3), if the matter has been submitted for decision, further proceedings with respect to the matter shall be had in the same manner and with the same effect as if this Act had not been enacted. (2)