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Good Moral Character for U.S. Citizenship: How DUIs, Arrests, Taxes, and Other Issues Affect Your N-400

Published: November 3, 2026 • 7 min read • Verified by Legal Editorial Board
Good Moral Character for U.S. Citizenship: How DUIs, Arrests, Taxes, and Other Issues Affect Your N-400
Quick Summary

To naturalize, a green card holder must show good moral character (GMC) during the statutory period, usually the five years before filing (three years for many spouses of U.S. citizens), and up until the oath ceremony. Some offenses, such as murder or an aggravated felony conviction after November 29, 1990, are permanent bars. Others, such as certain drug offenses, crimes involving moral turpitude, false testimony, or 180 days in jail, bar GMC only during the period. USCIS can also deny for conduct outside the specific lists, including multiple DUIs, unpaid taxes, and missed child support. Disclosing every arrest honestly is essential.

The Legal Standard

Section 316(a) of the Immigration and Nationality Act requires naturalization applicants to show they have been persons of good moral character during the statutory period. Section 101(f) of the INA lists conduct that automatically prevents a GMC finding, and the regulations at 8 CFR 316.10 explain how USCIS applies the standard. The USCIS Policy Manual, Volume 12, Part F, is the officer's main guide and is worth reading if you have any history in question.

USCIS is not limited to the statutory period. Officers can consider conduct before it if that conduct is relevant to your present moral character, and the requirement continues until you take the oath.

Permanent Bars

You can never establish GMC if you have been convicted of:

  • Murder, at any time; or
  • An aggravated felony, as defined in immigration law, on or after November 29, 1990.

Participation in persecution, genocide, torture, or extrajudicial killings is also a permanent bar. Aggravated felony is a term of art and can include offenses that are misdemeanors under state law, such as some theft offenses with a one-year sentence, even if suspended. An aggravated felony conviction usually also makes a person deportable, so anyone with such a conviction should speak with an immigration attorney before filing an N-400.

Conditional Bars During the Statutory Period

The following generally prevent a GMC finding if they occur during the statutory period:

  • One or more crimes involving moral turpitude, unless a single offense qualifies for the petty offense exception;
  • Two or more offenses with combined sentences of five years or more;
  • Controlled substance violations, except a single offense of simple possession of 30 grams or less of marijuana;
  • Confinement in jail or prison for an aggregate of 180 days or more as a result of a conviction;
  • Giving false testimony under oath to obtain an immigration benefit;
  • Being a habitual drunkard;
  • Prostitution, smuggling of noncitizens, polygamy, or earning income principally from illegal gambling;
  • Unlawful voting or a false claim to U.S. citizenship.

Marijuana use, possession, or employment in the cannabis industry can be a problem even in states where it is legal, because it remains a federal offense. USCIS has issued policy guidance confirming this.

DUIs and DWIs

A single DUI without aggravating factors is not an automatic bar, but it is a discretionary concern. In Matter of Castillo-Perez (A.G. 2019), the Attorney General held that two or more DUI convictions during the statutory period create a rebuttable presumption that the applicant lacks good moral character. Overcoming it requires substantial evidence, such as completed treatment, long sobriety, and strong community ties. A DUI involving injury, a suspended license, a child in the car, or drugs is treated more seriously, and some aggravated DUIs may be crimes involving moral turpitude.

Unlawful Acts and the Catch-All

Under 8 CFR 316.10(b)(3)(iii), USCIS can find a lack of GMC based on unlawful acts that adversely reflect on moral character, even without a conviction, unless extenuating circumstances exist. Common examples include:

  • Failing to file or pay taxes. Bring IRS tax transcripts. If you owe, a payment plan with the IRS and proof of payments generally helps.
  • Failing to pay court-ordered child support. Bring proof of payments or a court order showing arrears are being paid.
  • Failing to register with Selective Service. Men who lived in the U.S. as permanent residents between ages 18 and 26 were required to register. A knowing and willful failure during the statutory period can be a problem; a letter from Selective Service and a sworn explanation often help applicants who are past 26.
  • Unemployment, welfare, or insurance fraud.
  • Violating a protection order.

Disclose Everything, Even Sealed and Expunged Records

The N-400 asks whether you have ever been arrested, cited, or detained by any law enforcement officer, anywhere in the world, even if the case was dismissed, sealed, or expunged. Failing to disclose can itself be false testimony and an independent GMC bar. USCIS runs fingerprints through FBI databases and often finds old arrests. For every arrest or citation, obtain certified court dispositions and police records. Minor traffic tickets under $500 without alcohol or drugs generally do not require documents but should still be considered when answering.

Timing Strategy

Because most conditional bars apply only during the statutory period, waiting can be a legitimate strategy. If a disqualifying event occurred four years ago, filing after it falls outside the five-year window may produce a better result, although the officer can still consider earlier conduct. Probation also matters: USCIS generally will not approve an application while you are on probation or parole for a conviction, and completing probation first is often wise.

Risk Beyond Denial

An N-400 denial is not the only risk. Filing invites USCIS to review your entire immigration history, and certain criminal records can lead to a Notice to Appear in removal proceedings. That is why applicants with any criminal history are routinely advised to have a licensed immigration attorney review their records before filing.

What to Do Next

Gather certified dispositions for every arrest, IRS tax transcripts for the statutory period, child support records, and your Selective Service status if applicable. Read the USCIS Policy Manual on good moral character, and if anything on your record is unclear, have an immigration attorney or a DOJ-accredited representative review it before you file. This article is general legal information, not legal advice.

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