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445 pages indexed. Try "schengen", "florida domicile", "NY 184", or "closer connection".
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- Guide/blog/defending-residency-audit-guide
Defending a residency audit: timeline, evidence, and what auditors actually do
State residency audits target high-earners who claim to have left. Here's what to expect, the timeline, the evidence requests, and how to defend your domicile and day count.
- Guide/blog/closer-connection-exception
Form 8840 and the closer-connection exception
Even if you meet the IRS Substantial Presence Test, you can avoid US tax-resident status by claiming closer connection on Form 8840, but only if you meet specific day-count and residency conditions.
- Guide/blog/spt-three-year-weighted-formula
The SPT 3-year weighted formula, with worked examples
The IRS Substantial Presence Test uses a 3-year weighted day-count formula. Here it is in plain math, with multiple worked examples for visa types and travel patterns.
- Guide/blog/tax-days-vs-topia
Tax Days vs. Topia: a comparison for individual cross-border residents
Topia is enterprise mobility software for global employers. Tax Days is for individuals. Here's why the comparison matters and which is right for you.
- Guide/blog/remote-worker-multi-state-tax
The remote worker's multi-state tax guide: nexus, day counts, and double tax
Working remotely from multiple states triggers state nexus, withholding obligations, and potential double taxation. Here's how to track days, manage employer obligations, and avoid surprise tax bills.
- Guide/blog/tax-days-vs-domicile365
Tax Days vs. Domicile365: feature, price, and privacy comparison
Domicile365 is a long-running residency-tracking service for snowbirds and cross-border workers. Tax Days is the iPhone-native alternative. Here's how they compare.
- Guide/blog/pennsylvania-domicile-residency
Pennsylvania residency rules: domicile, statutory residence, and Philly's local tax
Pennsylvania has a 3.07% flat tax, but Philadelphia adds a 3.75% city wage tax. Here's how PA's domicile test, statutory residence rule, and local tax interact for departing residents.
- Guide/blog/tax-days-vs-ireside
Tax Days vs. iReside: which residency tracker is right for you?
iReside and Tax Days both target privacy-conscious, internationally-mobile users. Here's an honest comparison on price, tracking method, jurisdictions, and privacy.
- Guide/blog/illinois-residency-rules
Illinois residency rules: domicile, the abode test, and Chicago tax exposure
Illinois taxes residents at a flat 4.95%. Combined with Chicago's lifestyle tax exposure, the move to Florida is popular among Chicago-area professionals. Here's how Illinois residency really works.
- Guide/blog/expat-day-counter-guide
The expat day counter guide: residency, treaties, and the rules you'll actually face
If you're an American living abroad, a Brit in the EU, or anyone with a foreign tax home, day counts decide where you owe tax. Here's the playbook for tracking residency thresholds and treaty tie-breakers.
- Guide/blog/tax-days-vs-taxbird
Tax Days vs. TaxBird: which residency tracker is right for you?
TaxBird and Tax Days both target snowbirds and cross-border residents. Here's an honest comparison on price, jurisdictions, GPS, privacy, and audit support.
- Guide/blog/tax-days-vs-monaeo
Tax Days vs. Monaeo: an honest comparison
Monaeo is a long-running residency tracker for high-net-worth individuals at $1,200+/year. Tax Days is a privacy-first iPhone app at $19.99/year. Here's how they compare on jurisdictions, accuracy, and what each does best.
- Guide/blog/west-virginia-183-day-residency
West Virginia's 183-Day Rule & the 30-Day Exit: Residency Both Ways
West Virginia's 183 day rule catches non-domiciliaries with a home in-state, while leavers can only break residency through a strict 30-day domicile safe harbor.
- Guide/blog/snowbird-day-tracking-us-canada
How Snowbirds Should Track Tax Days: US States and the US-Canada Border
Snowbirds cross two very different borders for tax: the US state line and the US-Canada border. How to count days for each, the forms that protect you, and the app that keeps the record.
- Guide/blog/oklahoma-seven-month-residency
Oklahoma's Seven-Month Residency Rule: Months, Not 183 Days
Oklahoma generally presumes you're a resident if you spend more than seven months of the year in-state. The statute is written in months, not 183 days, and the presumption is rebuttable.
- Guide/blog/north-dakota-210-day-residency-rule
North Dakota's 7-Month (210-Day) Residency Rule: A High Bar for Snowbirds
North Dakota's residency test taxes you as a resident if you keep a permanent home there and spend more than seven months (210 days) in-state, a higher bar than the usual 183 days.
- Guide/blog/new-mexico-185-day-rule
New Mexico's 185-Day Rule: Why Only Full 24-Hour Days Count
New Mexico taxes you as a resident if you're physically present 185 days or more, but only full 24-hour days count. Partial arrival and departure days generally don't.
- Guide/blog/nebraska-183-day-residency-rule
Nebraska's 183-Day Residency Rule: Permanent Abode & Any-Part-of-a-Day Counting
Nebraska taxes you as a resident if you keep a permanent place of abode there and spend more than 183 days in-state, and any part of a day generally counts as a full day.
- Guide/blog/kentucky-residency-183-day-reciprocity
Kentucky's 183-Day Rule & Reciprocity: A Cross-Border Commuter's Guide
Kentucky generally treats you as a resident at over 183 days with a home in-state, but reciprocity with seven neighbors keeps cross-border wages taxed only at home.
- Guide/blog/iowa-183-day-residency-rule
Iowa's 183-Day Rule: A Rebuttable Presumption You Can Fight
Iowa presumes you maintain a permanent place of abode there if you keep an Iowa home and pass 183 days in-state. It's rebuttable, but the burden shifts to you.
- Guide/blog/indiana-residency-183-day-rule
Indiana's 183-Day Residency Rule, Domicile & Reciprocity Explained
Indiana taxes you as a resident if you keep a permanent home and spend over 183 days in-state, or if you're domiciled there. Plus how reciprocity works for KY, MI, OH, PA, and WI commuters.
- Guide/blog/hawaii-200-day-residency-rule
Hawaii's 200-Day Rule: The Rebuttable Presumption of Residency
Hawaii presumes you are a resident if you spend more than 200 days there in a tax year. It is a rebuttable presumption: how it works and how to overcome it.
- Guide/blog/dc-183-day-residency-rule
Washington DC's 183-Day Residency Rule: The Abode-Maintained Trap
DC taxes you as a statutory resident if you maintain a place of abode in the District for 183 days or more, a count that can include temporary absences, not just physical presence.
- Guide/blog/arkansas-six-month-residency
Arkansas' Six-Month Residency Rule: Home Plus More Than Six Months
Arkansas treats you as a resident only if you keep a permanent home there and spend more than six months in-state. Both conditions are required, and the rule is months-based.
- Guide/blog/alabama-seven-month-residency
Alabama's Seven-Month Residency Rule: A Higher Bar Than 183 Days
Alabama presumes you're a resident if you spend more than seven months of the year in-state, whether or not consecutive, a higher bar than the usual 183 days.
- Guide/blog/germany-183-day-rule
Germany's 183-day rule and 'center of vital interests' test
Germany determines tax residency by domicile (Wohnsitz), habitual abode (gewöhnlicher Aufenthalt), or the 183-day test under treaties. Here's how each works for expats and remote workers.
- Guide/blog/year-end-residency-review-checklist
Year-End Residency Review: A December Audit-Prep Checklist
A year end residency review locks in your day count and ties before the tax year closes. Use this December checklist to verify days, fix gaps, and prep early.
- Guide/blog/yacht-crew-pilots-tax-residency
Tax Residency for Yacht Crew & Pilots: Seafarers' Earnings & Day Counting
Yacht crew tax residency depends on the days you spend on land, not at sea or in the air. Here's how seafarer reliefs and day counting actually work for crew.
- Guide/blog/which-blog-applies-to-my-situation
Which Tax Residency Rules Apply to You? State + Visa + Test Matrix
This routing guide explains tax residency rules by situation, matching your country, US state, and visa to the exact test and guide that applies to your case.
- Guide/blog/vietnam-tax-residency-expat
Vietnam Tax Residency for Expats: 183-Day Rule & Long-Stay Visas
Vietnam tax residency hinges on 183 days or a permanent home and taxes worldwide income. Here's how the day count, long-stay visas, and the no-DNV reality work.
- Guide/blog/turkey-expat-tax-residency-183-day
Turkey Expat Tax Residency: 183-Day Rule & Returning-Resident Deferral
Turkey tax residency turns on a six-month presence test and taxes residents on worldwide income. Here is how the 183-day rule and the deferral exception work.
- Guide/blog/south-africa-ordinary-residence-183-day
South Africa Tax Residency: 183-Day Test & Ordinary Residence
The South Africa 183 day rule is the physical-presence test. See how it and ordinary residence decide SARS tax residency on worldwide income, and how to exit.
- Guide/blog/schengen-overstay-penalties
Schengen Overstay Penalties & Tax Implications
Schengen overstay penalties range from fines and entry bans to deportation. Here is what overstaying the 90/180 limit costs, plus the tax angle few expect.
- Guide/blog/perpetual-traveler-tax-status-myth
Perpetual Traveler Tax Status: Myth vs Reality
The perpetual traveler tax myth promises a life with no tax home. In reality you almost always keep a domicile somewhere, here is what actually decides it.
- Guide/blog/offshore-account-reporting-by-residency-status
Offshore Account Reporting by Residency Status (FBAR / CRS / FATCA)
Foreign account reporting residency drives it: US persons file FBAR and FATCA, CRS-country residents are auto-reported, non-doms and non-residents differ.
- Guide/blog/monaco-residency-tax
Monaco Tax Residency: The Bank Deposit Path & French Exception
How Monaco tax residency works: the bank deposit requirement, no personal income tax, the 183-day presence rule, and the big French exception expats miss.
- Guide/blog/medical-exempt-military-days-by-jurisdiction
Medical, Exempt & Military Days: Official Rules by Jurisdiction
The medical day exception tax residency rule, exempt-individual days, and military days each cut your taxable count under the IRS SPT, US states, and UK SRT.
- Guide/blog/ireland-non-dom-remittance-indefinite
Ireland Non-Dom: Indefinite Remittance Basis & Treaty Interactions
The Ireland non dom regime has no deemed-domicile clock, so the remittance basis can last indefinitely. How it works, what it taxes, and how treaties interact.
- Guide/blog/greece-golden-visa-183-day-tax
Greece Golden Visa & the 183-Day Tax-Residency Trigger
Greece golden visa tax, made clear: the permit grants residency rights, not tax residency. Greek worldwide tax usually triggers only past 183 days a year.
- Guide/blog/georgia-country-4-percent-tax-residency
Georgia (Country) Tax Residency: The 183-Day Rule & 1% Regime
Georgia country tax residency hinges on the 183-day rule, and its territorial system plus the low Individual Entrepreneur regime keep foreign income untaxed.
- Guide/blog/estonia-eresidency-tax-treatment
Estonia e-Residency vs Tax Residency: What It Does (and Doesn't) Do
Estonia e-Residency is a digital business ID, not tax residency. What it changes for your company's tax, what it leaves untouched personally, and the traps.
- Guide/blog/brazil-tax-residency-183-day-2025
Brazil Tax Residency: 183-Day Test & 2025 Non-Resident Cert Changes
Brazil tax residency starts after more than 183 days in any rolling 12-month window. How the day count, RFB exit rules, and 2025 dividend changes work.
- Guide/blog/argentina-residency-bienes-personales-2025
Argentina Residency & Bienes Personales After the 2025 Reform
How Argentina tax residency works: the 12-month physical-presence rule, worldwide wealth tax, and how the 2025 Bienes Personales reform changed the rates.
- Guide/blog/april-residency-audit-season-guide
April Tax Deadline & Residency Audit Season: A Planning Guide
Residency audit season starts in April. Here's how to file a clean part-year or nonresident return and pre-build day-count evidence that survives an audit.
- Guide/blog/andorra-passive-residency-tax
Andorra Passive Residency & the 10% Flat-Tax Scheme
Andorra tax residency explained: how passive residency works, the upfront deposit and local investment, the flat 10% income tax, and no wealth or estate tax.
- Guide/blog/massachusetts-183-day-rule
Massachusetts 183-day rule and the Millionaire's Tax: residency for high earners
Massachusetts taxes residents at 5%, plus a 4% Millionaire's Tax surcharge above $1M. Here's how the 183-day rule and 'place of abode' test work for departing residents.
- Guide/blog/vermont-residency-guide
Vermont Residency Guide & Neighboring-State Audit Coordination
Vermont tax residency explained: the domicile rule, the 183-day statutory test, and how to coordinate days when you split time across New England and New York.
- Guide/blog/utah-residency-domicile-rules
Utah Residency: 183-Day Rule & Domicile Requirements
How Utah decides if you're a resident for tax: the 183-day rule, domicile tests, and what counts. A clear guide to Utah residency rules for filers and movers.
- Guide/blog/two-country-tie-breaker-permanent-home
The Permanent-Home Tie-Breaker: OECD Article 4(2) in Practice
When two countries both claim you, a tax treaty tie breaker permanent home test usually decides residence. Here is how OECD Article 4(2) works in practice.
- Guide/blog/south-carolina-part-year-residency
South Carolina Part-Year Residency & Personal-Services Income
South Carolina residency rules for part-year movers: how the state taxes income before and after your move, what counts as SC-source pay, plus retiree tips.
- Guide/blog/schengen-multiple-passports-reset
Schengen 90/180 with Multiple Passports: Can You Reset Your Count?
Schengen multiple passports do not reset your 90/180 day count. The limit follows the person, not the document. Here is how it works and what overstaying costs.
- Guide/blog/rhode-island-residency-rules
Rhode Island Residency Rules & New England Tax Implications
Rhode Island residency rules explained: the 183-day statutory test, domicile, part-year filing, and what happens when you split time across New England states.
- Guide/blog/retiree-tax-residency-social-security-medicare
Tax Residency for Retirees: Social Security, Medicare IRMAA & Domicile
Retiree tax residency turns on domicile and day count: it sets how your Social Security, pension, and IRA withdrawals are taxed, and it shapes Medicare too.
- Guide/blog/residency-audit-defense-precedent
Tax residency audit defense: the evidence hierarchy and what precedent rewards
Residency audit defense is won on evidence, not arguments. Here's the evidence hierarchy auditors weight, contemporaneous over reconstructed, and why.
- Guide/blog/new-year-tax-residency-planning-checklist
New Year Tax Residency Planning: The 2026 Checklist for Snowbirds & Expats
A tax residency planning checklist for 2026: reset your day count, lock in your domicile, and stay under the thresholds that matter for snowbirds and expats.
- Guide/blog/montana-domicile-defense
Montana Residency: Big Sky Domicile Defense
Montana residency rules explained: how domicile and the statutory presence test decide who pays income tax, and how to defend a clean move in or out of state.
- Guide/blog/missouri-residency-reciprocity
Missouri Residency Rules & Midwest Reciprocal Agreements
Missouri residency: domicile, the abode plus 183-day statutory trap, and why the state has no reciprocity deals with Kansas, Illinois, or any other neighbor.
- Guide/blog/maine-residency-rules
Maine Residency Rules: Safe-Harbor Days & Lower Audit Pressure
Maine residency rules hinge on domicile plus a 183-day count and a safe-harbor for people abroad. Learn how the day test works and how to stay nonresident.
- Guide/blog/louisiana-domicile-act-residency
Louisiana Residency & the Domicile Act Mechanics
Louisiana residency turns primarily on civil-law domicile, with a six-month presence test as a backstop. Learn how the Civil Code defines, keeps, and lets you change a Louisiana domicile.
- Guide/blog/long-term-resident-8-of-15-year-rule
Long-Term Resident & the 8-of-15-Year Rule: How 'Any Portion' Counts Years
The long term resident 8 of 15 years rule sets US exit tax exposure for green card holders, why any part of a tax year counts in full, and how to count yours.