Knowledge Center
Pertinent Residency, Domicile and Day Tracking Articles.
Browse our comprehensive library of articles, legal authorities, and resources to help you assess your tax domicile, track your physical presence, and protect your global assets.
Domicile Shifts & Relocation
Planning to relocate your permanent residence? Learn the legal requirements for establishing domicile in low-tax jurisdictions.
- California to Nevada Domicile Shift
- Establishing Florida Residency
- Changing Domicile from New York to Florida
- Changing Domicile from Connecticut to Florida
- Establishing Texas Residency
- Understanding the Declaration of Domicile
- Home Sale Gain Exclusion & Two Residences
- The Second-Home Owner's Tax Trap
State Audit Defenses & Rules
Detailed statutory residency guides and compliance rules for high-tax states aggressively auditing former and remote residents.
- Pennsylvania Basics
- Maryland Rules
- Virginia Rules
- Hawaii Basics
- Oregon Basics
- Washington State
- Washington DC
- Ohio Basics
- Rhode Island Basics
- NY Domicile (Hoff Case)
- NY Special Accrual
- NY Convenience Rule
- Yonkers Tax Guide
- Surviving Residency Audits
- The 183-Day Residency Myth
- State Reciprocity vs. Statutory Residency
International & Expat Taxes
Guides for global expats, remote workers, and cross-border travelers navigating residency rules and tax incentive programs.
- Switzerland Tax Residency
- Portugal NHR 2.0 (IFICI) (EN)
- Residência Fiscal Portugal (PT)
- Spain Wealth Tax (EN)
- Residencia Fiscal España (ES)
- France Tax Residency Article 4B (EN)
- Résidence Fiscale France (FR)
- Netherlands Box 3 Tax
- German Rolling 183-Day
- Monaco Tax Residency
- Italy Tax Residency
- UAE & Dubai Residency
Day Tracking & Compliance
How day counting works, cell phone location tracking legality, and corporate compliance for mobile workforces.
- How Day Count Tracking Works
- Location Tracking and Your Cell Phone
- The Statutory Resident 183-Day Rule
- Airline Pilot & Crew Tax Residency
- What Counts as a Day for Tax Purposes?
- NY 14-Day Rule: Withholding vs. Liability
- Mobile Workforce State Withholding
- RSU & Deferred Comp Tax Apportionment
- Tracking Remote Workers for Payroll
- Avoiding Corporate Tax Nexus & Payroll Risk
- Why Excel & Spreadsheets Fail in Audits
Video Guides & Tutorials
Watch walkthroughs and guides explaining the Domicile365 app features and state tax residency rules.
Free Calculators & Tools
Free interactive tools to check your residency compliance status across US states, international jurisdictions, and travel rules.