8 U.S.C. § 1450: Functions and duties of clerks and records of declarations of intention and applications for naturalization

deliver to each person administered the oath of allegiance by the court pursuant to section 1448(a) of this title the certificate of naturalization prepared by the Attorney General pursuant to section 1421(b)(2)(A)(ii) of this title , forward to the Attorney General a list of applicants actually taking the oath at each scheduled ceremony and information concerning each person to whom such an oath is administered by the court, within 30 days after the close of the month in which the oath was administered, forward to the Attorney General certified copies of such other proceedings and orders instituted in or issued out of the court affecting or relating to the naturalization of persons as may be required from time to time by the Attorney General, and be responsible for all blank certificates of naturalization received by them from time to time from the Attorney General and shall account to the Attorney General for them whenever required to do so. Each district office of the Service in the United States shall maintain, in chronological order, indexed, and consecutively numbered, as part of its permanent records, all declarations of intention and applications for naturalization filed with the office.