[Code of Federal Regulations] [Title 8, Volume 1] [Revised as of January 1, 2010] From the U.S. Government Printing Office via GPO Access [CITE: 8CFR337.9] [Page 826] TITLE 8--ALIENS AND NATIONALITY CHAPTER I--DEPARTMENT OF HOMELAND SECURITY PART 337_OATH OF ALLEGIANCE--Table of Contents Sec. 337.9 Effective date of naturalization. (a) An applicant for naturalization shall be deemed a citizen of the United States as of the date on which the applicant takes the prescribed oath of allegiance, administered either by the Service or an Immigration Judge in an administrative ceremony or in a ceremony conducted by an appropriate court under Sec. 337.8 of this chapter. (b) [Reserved] [56 FR 50500, Oct. 7, 1991, as amended at 60 FR 37804, July 24, 1995; 66 FR 32147, June 13, 2001]