; or (ii) the date that is 1 year after the expiration of the prior term. (C) Special rule If an immigration appeals judge does not serve the entirety of an appointed term, the resulting vacancy shall be filled by a successor appointed for the remainder of the term in accordance with this paragraph. At the conclusion of the term, such successor may be reappointed in accordance with subparagraph (B). (3) Chief judge (A) Designation (i) In general The chief judge shall be the immigration appeals judge who is most senior in appointment among the immigration appeals judges who, at that time of appointment to the appellate division— (I) have served for 1 or more years; (II) have at least 5 years remaining in their term of office as an immigration appeals judge; and (III) have not previously served as chief judge. (ii) Acting chief judge If no immigration appeals judge in regular active service satisfies all of the requirements in clause (i), the immigration appeals judge who is most senior in commission and who has not previously served as chief judge shall serve as acting chief judge until an immigration appeals judge becomes eligible under such clause. (iii) Precedence Immigration appeals judges who have the same seniority in commission shall be eligible for service as chief judge according to seniority in age. (B) Term of office (i) In general Except as provided in clause (ii), the chief judge shall serve a term that shall end on the earliest of— (I) the date that is 5 years after the date that term begins; (II) the date that the judge is removed from service for cause in accordance with section 602(f); (III) the date that the judge leaves regular active service as an immigration appeals judge