You can file Form N-400 while Form I-751 is pending if you independently meet the naturalization filing requirements. Filing for citizenship does not replace the petition to remove conditions. USCIS says it adjudicates the I-751 before or concurrently with the N-400, and conditions must be resolved before naturalization can be approved. [1][2]
Choose the correct eligibility basis
The general naturalization rule usually requires five years of continuous residence after lawful admission for permanent residence, along with physical presence and other requirements. A qualifying spouse of a U.S. citizen can use a three-year route, but that route has its own citizen-spouse and marital-union conditions. Holding a marriage-based conditional card does not automatically prove eligibility for the shorter route. [3][4]
Count from the applicable permanent-residence date, not simply the I-751 filing date. Travel, residence, good moral character, and other naturalization requirements still apply. Check any early-filing rule carefully rather than subtracting time from every requirement.
Prepare for both adjudications
Keep the I-751 receipt and a complete copy of the petition and supporting evidence. With the naturalization materials, identify the pending removal-of-conditions case and provide documents requested by the current instructions. Bring updated evidence when the agency asks for it, particularly if the marriage-based facts have changed. [1][2]
A combined appointment may be possible, but do not assume every N-400 interview automatically decides the I-751. Read the actual appointment notice, including any instruction concerning a spouse’s attendance, and be ready for separate scheduling or additional evidence.
Divorce changes the analysis
A marriage ending before naturalization can affect eligibility under the ordinary three-year citizen-spouse provision. It can also require a different basis for resolving a jointly filed I-751. Those are separate questions: eligibility to remove conditions does not necessarily establish eligibility to naturalize immediately under the same marriage. [2][4]
Check the filing package before paying
- Confirm the naturalization basis and earliest permissible filing date.
- Verify the I-751 remains pending and that notices have been answered.
- Review absences, addresses, marriage history, and any new legal issues.
- Use the current form edition and fee instructions for each filing.
Do not assume the N-400 fee pays the I-751 fee or resolves that case. For the final stage, see naturalization oath notices. For travel before citizenship is complete, review travel after the citizenship interview.
Primary sources
- USCIS: Processing Times FAQs
- USCIS: Form N-400 Instructions
- 8 USC 1427 – Requirements of Naturalization
- 8 USC 1430 – Married Persons and Employees of Certain Nonprofit Organizations
Sources checked: October 31, 2026.