Media Advisory: Walter E. Washington Convention Center to Host Largest-Ever Naturalization Ceremony Sponsored by U.S. District Court in Washington Seven Hundred Candidates to Take Oath of Allegiance Posted on December 16, 2008 by USCIS in News The Honorable Royce C. Lamberth, Chief Judge of the United States District Court, will administer the Oath of Allegiance to the new citizens. Rendell Jones, Chief Financial Officer, U.S.