Moved to the U.S. in 2025? Your First Tax Return Checklist Before April 15
A practical first-year filing checklist for new U.S. residents with cross-border accounts, assets, and reporting obligations.
If you moved to the U.S. in 2025, your first filing year is not a standard return. Most first-year penalties happen because people file a basic 1040 and miss the international reporting layer.
This is fixable, but only if you review the structure before filing.
Here is the checklist I use for first-year U.S. transition clients.
1. Confirm Your Residency Position First
Your residency position controls the rest of the return.
For many move-year taxpayers, the real decision is whether to file as a full-year resident or a dual-status filer based on timeline, income sourcing, and treaty factors.
Review now:
- Exact U.S. entry date
- Days physically present in the U.S.
- Income earned before vs. after move date
- Whether treaty or tie-breaker analysis applies
If this is wrong, the rest of the return is built on the wrong foundation.
2. Do Not Assume "No Extra Tax" Means "No Extra Forms"
This is one of the most common first-year mistakes.
A return can show limited additional tax and still have international reporting exposure. International forms are often disclosure obligations, not just tax-calculation forms.
3. Separate FBAR From Form 8938
These are not interchangeable.
They have different thresholds, different legal authorities, and different filing mechanics. Filing one does not satisfy the other.
Common failure pattern: preparer handles Form 1040, but FBAR conversation never happens.
4. Review Foreign Accounts and Pension Structure Carefully
The account label from a foreign institution does not determine U.S. treatment.
Canadian and other non-U.S. pension/investment accounts can have very different U.S. outcomes depending on account type and treaty treatment. Assuming all "retirement" accounts are treated the same is risky.
5. Verify Whether Entity Reporting Is Triggered
If you owned, controlled, funded, or transacted with a foreign entity during the year, separate forms may be required even with little or no current income.
This is where high-penalty forms are missed most often.
6. Extension Strategy: Filing Time vs Payment Time
Form 4868 extends time to file. It does not extend time to pay.
If payment is likely due, estimate and pay by April 15 to reduce penalty and interest exposure. Waiting until October can create avoidable cost.
7. Build a Complete Documentation File Before Filing
Do not file first and reconstruct later.
Minimum file set:
- Passport and move-date timeline
- W-2/1099/dividend statements
- Foreign account statements with high-balance data
- Pension/investment plan details
- Prior-country tax information (if relevant)
8. Run a Final International Review Before Submission
Deadline pressure pushes speed. Cross-border returns require final review.
Before filing, ask one question: did someone review international facts specifically, or was this handled like a domestic return with extra forms added at the end?
The Bottom Line
First-year U.S. filing after an international move is a structure problem before it is a form problem.
If the residency position, reporting scope, and documentation are handled correctly, the filing is manageable. If not, the penalty exposure can be disproportionate to the underlying tax.
If you moved to the U.S. in 2025 and want your first filing year handled correctly, I can help.
Book a consultation or email me directly at tajma@qorritax.com.
Tajma Qorri is the founder of Qorri Tax Service LLC, specializing in federal and international tax services for foreign-owned U.S. entities, U.S. persons with foreign assets, and first-year U.S. transition filers.