8 CFR 310.2: Jurisdiction to accept applications for naturalization.

USCIS shall accept an application for naturalization from an applicant who is subject to a continuous residence requirement under section 316(a) or 319(a) of the Act as much as three months before the date upon which the applicant would otherwise satisfy such continuous residence requirement in the State or Service district, as defined in 8 CFR 316.1, where residence is to be established for naturalization purposes. At the time of examination on the application, the applicant will be required to prove that he or she satisfies the residence requirements for the residence reflected in the application.