Form N-400

N-400 Document ValidationApplication for Naturalization

N-400 naturalization requires meeting continuous residence, physical presence, and good moral character requirements. CIRIS validates residency timelines, travel history completeness, tax compliance, and conditional document requirements.

Required Documents

  • Form N-400 (signed)
  • Permanent Resident Card (Green Card, both sides)
  • 2 passport-style photos
  • Federal tax returns (past 5 years)
  • Complete travel history (all trips outside US, past 5 years)
  • Selective Service registration proofconditional
  • Marriage certificatesconditional
  • Court disposition recordsconditional

What CIRIS Catches

These are the most common issues CIRIS automatically detects in N-400 packets.

High Risk — Needs Immediate Attention

High RiskResidency

Continuous residence broken — single absence exceeds 6 months

High RiskPhysical Presence

Total physical presence in US is less than 30 months in the past 5 years

Medium Risk — Review Recommended

Medium RiskTax Compliance

Federal tax returns show filing gaps in the 5-year lookback period

Medium RiskSelective Service

Selective Service registration not verified for eligible applicants

Medium RiskTravel

Travel history on N-400 appears incomplete — some trips not listed

Low Risk — Advisory

Low RiskEnhancement

Consider including good moral character evidence (volunteer records, affidavits)

Validate Your N-400 Packet

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