OUR IMMIGRATION SERVICESCitizenship and naturalisation in the USA

How a Naturalization Lawyer Can Help With Your N-400 Case

Not every naturalization application requires extensive legal work. An applicant with a straightforward residence history, no criminal or immigration complications and complete supporting records may have a relatively simple filing.

Legal representation becomes especially valuable when the case involves a disputed eligibility requirement, a possible ground for denial or a deadline that cannot safely be missed.

Attorney Vitalii Maliuk is admitted to practice in Missouri, Bar No. 73573. Arvian Law Firm handles federal immigration matters for clients across the United States. Representation in a particular federal district court is subject to that court's admission and procedural requirements.

Learn more about the attorney and the firm's practice on the Arvian Law Firm profile.

Who Qualifies for U.S. Citizenship Under the 5-Year or 3-Year Rule?

Most applicants qualify for naturalization under INA 316(a), which generally requires five years of continuous residence as a lawful permanent resident. Certain spouses of U.S. citizens qualify under INA 319(a), which generally allows naturalization after three years.

Both provisions contain additional eligibility requirements. The number of years printed on a green card is not enough to determine whether an application can be approved.

Can You File Form N-400 90 Days Early?

USCIS generally allows eligible applicants under the standard five-year and qualifying three-year provisions to file N-400 up to 90 calendar days before completing the applicable continuous residence requirement.

This does not shorten every eligibility requirement by 90 days. Physical presence, the three-month state or district residence requirement and applicable marital-union conditions must be satisfied when the application is filed.

For example, a permanent resident applying through marriage cannot use the early-filing rule to excuse an incomplete three-year period of marriage to a U.S. citizen.

An applicant must also maintain continuous residence and satisfy applicable requirements after filing and through naturalization. A significant trip abroad while N-400 is pending can therefore create a new eligibility problem.

Official source: USCIS Instructions for Form N-400.

N-400 vs. N-600: Do You Need to Become a Citizen or Prove You Already Are One?

Some people seeking U.S. citizenship documentation may already be citizens under U.S. nationality law. This can occur through qualifying circumstances involving a U.S. citizen parent, including citizenship acquired at birth or automatically acquired after birth.

For example, someone who obtained permanent residence as a child and later lived in the legal and physical custody of a U.S. citizen parent before turning 18 may need an assessment of automatic citizenship under INA 320 rather than a routine N-400 application.

The outcome depends on the applicable law, dates, parental citizenship and custody history, and other statutory conditions.

Learn when Form N-600 may be the correct option.

Official source: USCIS Policy Manual — Automatic Acquisition of Citizenship After Birth.

Continuous Residence, Physical Presence and Long Trips Abroad

USCIS evaluates continuous residence and physical presence separately. A permanent resident may satisfy one requirement while failing the other.

Continuous Residence

Continuous residence concerns whether the applicant maintained the United States as their principal actual dwelling place during the required period. USCIS evaluates the applicant's circumstances, not merely whether the green card remained valid.

Example: Seven and a Half Months Outside the United States

Consider a five-year applicant who spent seven and a half months abroad caring for a family member. The applicant retained a U.S. residence, continued filing U.S. tax returns and returned to the same household.

The trip creates a presumption of interrupted continuous residence. USCIS may consider whether the applicant retained their U.S. home, employment and immediate family ties, along with other evidence explaining the absence.

The purpose of the trip alone does not resolve the issue. The question is whether the available evidence is sufficient to rebut the presumption under the applicable legal standard.

Physical Presence

Physical presence is the amount of time actually spent in the United States during the required period before filing. Standard five-year applicants generally need at least 30 months; qualifying three-year applicants generally need at least 18 months.

For example, a five-year applicant could have several trips shorter than six months and still fall below the required physical presence threshold if the total time abroad is excessive.

USCIS generally counts the day of departure and the day of return as days of physical presence. When the applicant is close to the minimum, accurate travel dates are essential.

Does a Reentry Permit Protect Naturalization Residence?

A reentry permit does not automatically preserve continuous residence for naturalization. Its function differs from the residence requirement for U.S. citizenship.

Form N-470 may preserve continuous residence for certain permanent residents engaged in qualifying employment abroad. Approval is subject to separate statutory conditions and generally does not eliminate the physical presence requirement.

A person planning extended employment or residence abroad should assess these rules before departure rather than assuming that a valid reentry permit protects N-400 eligibility.

Official sources: USCIS — Continuous Residence and Form N-470.

Marriage-Based Naturalization: Separation, Divorce and the 3-Year Rule

A qualifying spouse of a U.S. citizen may use the three-year naturalization provision only if the statutory marriage and residence conditions are satisfied.

USCIS may review whether the couple lived in marital union during the required period. Evidence can include joint tax returns, leases, mortgages, insurance records, household documents and the circumstances of any separate residence.

Certain special statutory provisions, including protections for qualifying applicants affected by battery or extreme cruelty, require separate analysis rather than mechanical application of the ordinary marital-union rule.

Official source: USCIS — Spouses of U.S. Citizens.

Good Moral Character: Criminal Records, Taxes, Child Support and Prior Immigration History

Good moral character is a statutory requirement for naturalization. The ordinary review period is five years, or three years for qualifying marriage-based applicants. The requirement continues through naturalization, and earlier conduct may be relevant in appropriate circumstances.

USCIS guidance issued in August 2025 emphasizes a broader evaluation of relevant positive and negative circumstances. Positive evidence can include consistent employment, family responsibilities, compliance with legal obligations and community contributions. Such evidence does not override an applicable statutory bar.

Arrests, Convictions and Expunged Records

Criminal history requires an assessment of the exact offense, applicable statute, disposition, sentence, timing and immigration consequences.

Potential concerns include certain crimes involving moral turpitude, controlled-substance offenses, aggravated felonies, repeated DUI convictions and other conduct relevant to good moral character.

An arrest without a conviction does not automatically disqualify an applicant. Nevertheless, the incident may require disclosure, certified dispositions or an explanation supported by records.

Applicants should not assume that an expunged or sealed case can be omitted from N-400. Federal immigration disclosure and conviction rules can differ from state criminal-record rules.

Unpaid Taxes and Filing as a Nonresident

USCIS may examine whether required federal and state returns were filed, whether outstanding tax obligations were addressed and whether the applicant's tax history is consistent with claimed residence in the United States.

Tax debt alone does not necessarily prevent citizenship. Relevant evidence can include tax transcripts, amended returns, payment agreements and records explaining why an obligation remains outstanding.

A permanent resident who filed tax returns as a nonresident may face additional questions concerning residence and the circumstances of those filings.

Child Support and Family Obligations

Failure to comply with court-ordered child support or alimony obligations may affect a good moral character determination. USCIS may consider the applicable order, payment history, actual ability to pay, modifications and circumstances surrounding nonpayment.

Selective Service

Many male applicants who lived in the United States between ages 18 and 25 were required to register with Selective Service, depending on their status and applicable exemptions.

When registration was required but did not occur, the applicant's age, relevant statutory period and whether the failure was knowing and willful can affect naturalization eligibility.

False Testimony and Misrepresentation

Knowingly providing false oral testimony under oath to obtain an immigration benefit may trigger the good moral character bar in INA 101(f)(6).

Not every incorrect statement qualifies as false testimony under that specific provision. Written misrepresentations, concealment of material facts and prior immigration fraud may nevertheless carry separate legal consequences.

USCIS may compare N-400 answers with earlier visa applications, adjustment filings, marriage petitions, asylum records and other information in the immigration file.

Previous Green Card Approval

During naturalization, USCIS may review whether the applicant was lawfully admitted for permanent residence. Holding a green card for many years does not necessarily correct a legal defect in the original permanent residence grant.

If prior immigration filings contain potentially material inconsistencies, the appropriate response is to identify the relevant records and legal significance before filing new sworn statements.

Official source: USCIS — Good Moral Character Policy Memorandum, August 2025.

USCIS Background Checks in 2026: Neighborhood Investigations and Evidence Review

USCIS may evaluate more than the statements contained in Form N-400 and the results of ordinary background checks.

On August 25, 2026, USCIS issued Policy Alert PA-2026-10, incorporating updated guidance on personal investigations into its Policy Manual. This followed a 2025 memorandum that had already ended the agency's longstanding general waiver of neighborhood investigations.

What Is a Neighborhood Investigation?

A neighborhood investigation under INA 335(a) can involve gathering information from people familiar with the applicant's residence, employment, conduct, reputation or community ties.

Depending on the case, inquiries may involve neighbors, landlords, employers, coworkers or other individuals with relevant knowledge.

The purpose is to corroborate facts that bear on naturalization eligibility, including residence history, character, credibility and other legally relevant circumstances.

Applicants should also ensure that residence, employment and travel information is internally consistent and supported by records where appropriate.

Official source: USCIS Policy Manual, Volume 12, Part B, Chapter 2 — Background Investigation and Security Checks.

U.S. Citizenship Test in 2026: English, Civics and Available Exceptions

The civics test version depends on when Form N-400 was filed. Applicants should study for the version assigned to their filing date rather than assuming all citizenship interviews in 2026 use the same examination.

Applicants preparing under the 2025 test should use the official USCIS questions and answers. Some answers involving elected or appointed public officials can change before the interview.

English Requirement

Unless an exception applies, the applicant must demonstrate basic English speaking, reading and writing skills.

The speaking assessment generally occurs while the USCIS officer reviews Form N-400 and asks questions about the applicant's background and eligibility.

Age-Based Testing Exceptions

Applicants exempt from English requirements generally remain subject to the applicable civics requirement and may use a qualified interpreter under USCIS procedures.

Medical Disability Exception: Form N-648

Form N-648 may support an exception from English, civics or both requirements where a qualifying physical or developmental disability or mental impairment prevents the applicant from satisfying the educational requirements.

The form must be completed by an authorized licensed medical doctor, doctor of osteopathy or clinical psychologist and explain the effect of the impairment. The condition must have lasted, or be expected to last, at least 12 months.

An N-648 exception does not automatically waive other naturalization eligibility requirements.

Official sources: USCIS 2025 Civics Test and Form N-648.

The N-400 Process: Application, Biometrics, Interview and Oath

Naturalization normally follows a defined sequence, although additional evidence requests, background investigations or continued examinations can affect an individual case.

Processing times vary by office and case. A published estimate does not guarantee when an individual application will be decided.

Check current USCIS processing times.

N-400 and N-336 Government Filing Fees in 2026

As of October 20, 2026, the standard N-400 government filing fee is $710 online or $760 on paper. Eligible applicants may qualify for a $380 reduced fee or a complete fee waiver. Certain qualifying military applicants are exempt from the N-400 filing fee.

There is no separate standard N-400 biometrics fee under this schedule. Qualifying reduced-fee or fee-waiver requests must follow the applicable filing instructions. Attorney fees are separate from USCIS fees.

Government fees can change. Confirm the current amount and payment requirements before submitting an application or hearing request.

Official source: USCIS Form G-1055, Fee Schedule.

Naturalization Interview: Questions, Documents and Legal Preparation

The USCIS naturalization interview involves a sworn review of the applicant's eligibility and the applicable English and civics examination.

Officers may ask about residence, employment, international travel, family circumstances, taxes, arrests, previous immigration filings, constitutional attachment and other matters relevant to the N-400.

Documents to Bring

Applicants must follow their specific interview notice. Common documents include a green card, appointment notice, identification, relevant passports and evidence concerning issues raised by the application.

Depending on the case, additional records may include certified criminal dispositions, tax transcripts, marriage evidence, travel documentation, child support payment histories or an appropriate N-648 medical certification.

What Happens if You Fail the Citizenship Test?

An applicant who fails part of the English or civics examination generally receives a second opportunity to take the failed portion, normally within 60 to 90 days after the initial examination.

A second failure can lead to denial. Separate eligibility problems may also prevent approval even when the applicant passes the tests.

When Attorney Preparation Matters

For an applicant with a straightforward history, preparation may focus on reviewing N-400 answers and bringing the required documents.

For a more complicated case, legal preparation may require reconciling previous sworn statements, organizing criminal records, explaining long absences, documenting a qualifying marriage or addressing discrepancies in the underlying green card process.

An applicant should understand the questions and answer truthfully rather than memorize explanations that are inconsistent with the actual record.

Citizenship Denial: N-336 Hearing, Refiling or Federal Court Review?

A denial of Form N-400 does not automatically eliminate the possibility of becoming a U.S. citizen. The next step depends on why USCIS denied the application and whether the applicant can challenge the finding or establish eligibility in a future filing.

Form N-336: Request a Hearing

Form N-336 requests an administrative hearing after USCIS denies an N-400 application. A different immigration officer reviews the case and may consider relevant additional evidence or legal arguments.

A late N-336 request may be rejected. Under applicable rules, a late submission that independently satisfies the requirements of a motion to reopen or reconsider may be treated as such a motion, but that is not equivalent to a timely hearing request.

Official sources: USCIS — Form N-336 and 8 CFR 336.2.

When Is N-336 More Appropriate Than a New N-400?

The same distinction applies to other denial grounds. A challenge is more meaningful when there is a credible basis to dispute USCIS's findings. A new application may be appropriate when a genuine deficiency can be corrected with time or changed circumstances.

Federal Court Review Under 8 U.S.C. 1421(c)

After USCIS issues a final denial following the administrative hearing process, judicial review may be available in the appropriate U.S. district court.

The court generally reviews the matter de novo, independently considering the relevant facts and law. Under 8 CFR 336.9(b), a petition for judicial review generally must be filed within 120 days following the final administrative determination.

A separate provision, 8 U.S.C. 1447(b), may apply when USCIS has not made a determination within 120 days after the naturalization examination. This is different from judicial review of a final denial.

Federal litigation requires examination of jurisdiction, procedural requirements, available evidence and counsel's admission to the relevant court.

Official source: 8 CFR 336.9 — Judicial Review.

For a detailed explanation of post-denial procedures, see Naturalization Denial: What to Do After USCIS Denies N-400.

Frequently Asked Questions About U.S. Naturalization