How states use “teddy bear factors” and your digital footprint to challenge a move to Florida
If you left a high-tax state for Florida and believe that spending more than 183 days a year in the Sunshine State puts you out of reach of your old state’s income tax, you are not alone. It is also one of the most expensive misconceptions in state residency audits.
The 183-day rule is real, but it does not decide whether you changed your tax domicile. States that audit former residents, including New York, California, New Jersey, Connecticut, and Maryland, look at something far more personal -- where you actually intended to make your permanent home. To test that intent, states can examine everything from the location of your family heirlooms to your cellphone’s location history.
This article explains why the 183-day myth fails, how auditors use sentimental “teddy bear factors,” and how the digital footprint you leave every day can support or undermine your claim of a Florida domicile.
Many taxpayers confuse two separate ways a state can tax you as a resident:
The 183-day count matters only to the statutory residency test. It is not a safe harbor for a domicile. You can spend 200 days in Florida and still be regarded as having a domicile in your old state if the evidence shows your life never really moved. There’s the rub. Even if you are domiciled in one state, you can still be taxed by the other state if you have too many ties remaining there.
When a state challenges a change of domicile, it usually starts from the premise that your old domicile continues. A taxpayer who claims to have changed domicile generally bears the burden of proving it with clear and convincing evidence, a demanding standard. Domicile turns on intent, so auditors rely on objective facts to infer it.
“Teddy bear factors” serve as the informal name auditors and practitioners use for the personal, often sentimental items and connections that show where someone’s heart, and therefore their domicile, really lies. The idea is simple: People keep the things they treasure at home.
Auditors ask where these type of things are located:
If your most treasured belongings are still in the New York apartment or the California house, an auditor may reasonably conclude your “real” home never changed, no matter what your Florida driver’s license says.
Teddy bear factors are one part of a broader review. Auditors typically weigh several categories together:
No single factor is determinative. Auditors look at the totality of the circumstances, and weaknesses in several core areas can easily dismantle an otherwise plausible claim.
Auditors no longer rely only on what you tell them. Modern residency audits increasingly lean on third-party and electronic records that are hard to dispute, including:
Your own digital records can instantly unravel a manual day-count log. If credit card swipes, toll tags, or cellular data place you in your former state when your log says Florida, you undermine your credibility across the entire audit.
Intent is shown by actions that line up. Consider these steps, ideally with advice before or at the time of the move:
A residency audit can reach back several years and involve substantial tax, interest, and penalties. If you receive an audit notice or a request for information about your residency:
The 183-day rule is a rule of thumb, not a complete defense. Domicile is about intent and the objective facts that reveal it, ranging from the heirlooms on your shelves to the pings from your phone. If you have moved to Florida, or plan to, make sure the facts tell the same story you do.
Facing a state residency audit or planning a move to Florida? Frost Law can assist. Contact our tax controversy team at (410) 497-5947 or schedule a confidential consultation to discuss your situation.

How states use “teddy bear factors” and your digital footprint to challenge a move to Florida
If you left a high-tax state for Florida and believe that spending more than 183 days a year in the Sunshine State puts you out of reach of your old state’s income tax, you are not alone. It is also one of the most expensive misconceptions in state residency audits.
The 183-day rule is real, but it does not decide whether you changed your tax domicile. States that audit former residents, including New York, California, New Jersey, Connecticut, and Maryland, look at something far more personal -- where you actually intended to make your permanent home. To test that intent, states can examine everything from the location of your family heirlooms to your cellphone’s location history.
This article explains why the 183-day myth fails, how auditors use sentimental “teddy bear factors,” and how the digital footprint you leave every day can support or undermine your claim of a Florida domicile.
Many taxpayers confuse two separate ways a state can tax you as a resident:
The 183-day count matters only to the statutory residency test. It is not a safe harbor for a domicile. You can spend 200 days in Florida and still be regarded as having a domicile in your old state if the evidence shows your life never really moved. There’s the rub. Even if you are domiciled in one state, you can still be taxed by the other state if you have too many ties remaining there.
When a state challenges a change of domicile, it usually starts from the premise that your old domicile continues. A taxpayer who claims to have changed domicile generally bears the burden of proving it with clear and convincing evidence, a demanding standard. Domicile turns on intent, so auditors rely on objective facts to infer it.
“Teddy bear factors” serve as the informal name auditors and practitioners use for the personal, often sentimental items and connections that show where someone’s heart, and therefore their domicile, really lies. The idea is simple: People keep the things they treasure at home.
Auditors ask where these type of things are located:
If your most treasured belongings are still in the New York apartment or the California house, an auditor may reasonably conclude your “real” home never changed, no matter what your Florida driver’s license says.
Teddy bear factors are one part of a broader review. Auditors typically weigh several categories together:
No single factor is determinative. Auditors look at the totality of the circumstances, and weaknesses in several core areas can easily dismantle an otherwise plausible claim.
Auditors no longer rely only on what you tell them. Modern residency audits increasingly lean on third-party and electronic records that are hard to dispute, including:
Your own digital records can instantly unravel a manual day-count log. If credit card swipes, toll tags, or cellular data place you in your former state when your log says Florida, you undermine your credibility across the entire audit.
Intent is shown by actions that line up. Consider these steps, ideally with advice before or at the time of the move:
A residency audit can reach back several years and involve substantial tax, interest, and penalties. If you receive an audit notice or a request for information about your residency:
The 183-day rule is a rule of thumb, not a complete defense. Domicile is about intent and the objective facts that reveal it, ranging from the heirlooms on your shelves to the pings from your phone. If you have moved to Florida, or plan to, make sure the facts tell the same story you do.
Facing a state residency audit or planning a move to Florida? Frost Law can assist. Contact our tax controversy team at (410) 497-5947 or schedule a confidential consultation to discuss your situation.