What Happens If My State Audits Me While I Am Living Abroad?

States can and do audit former residents who move abroad, sometimes years after departure. The audit typically questions whether you truly changed your domicile or whether you remain a state resident owing tax on worldwide income. California, New York, and New Jersey are the most aggressive auditors of former residents (California FTB: Residency and Source Rules).

What triggers a state audit of an expat:

How the audit process works from abroad:

• Notice by mail: states send audit notices to your last known address; if you did not update it, you may not receive the notice until a default assessment is issued
• Response deadline: typically 30 to 60 days from the notice date, not from when you receive it
• Documentation requested: travel records, foreign lease or mortgage, foreign utility bills, foreign driver’s license, proof of severed ties, employer assignment letters
• Representation: You can authorize a CPA or tax attorney to respond on your behalf using a state-specific power of attorney form

How to defend your nonresident position:

• Produce the departure checklist: dated evidence of home sale/rental, license cancellation, voter deregistration, bank closures, mailing address change
• Foreign residency proof: visa, foreign tax return, employment contract, lease, utility bills
• Travel log: entry and exit records from both countries showing you did not exceed visit thresholds
• Final part-year return: if you never filed one, file it now as part of the audit response

If you lose the audit, the state assesses tax on worldwide income for each year it claims you were a resident, plus interest and penalties. Appeal rights exist through the state’s tax tribunal or board of equalization.

For more, see our State Taxes for Expats guide.