12 Nov 2026
Spain Tax Residency in 2027: Days, Economic Ties and Family
Spain tax residency is not determined by the 183-day rule alone. Learn how days, economic ties, family and tax treaties affect your status in 2027.
05 Nov 2026
183-Day Rule for Tax Residency: Is It Universal?
Learn when the 183-day rule for tax residency applies, what days count and which tests can make you resident sooner.
29 Oct 2026
Year-End Tax Residency Checklist 2026: What to Check Before December 31
Use this year-end tax residency checklist 2026 to review days, homes, work and country ties before December 31 and spot residency risks early.
22 Oct 2026
Ireland Tax Residency: How the 183-Day and 280-Day Rules Work
Learn how Ireland tax residency works under the 183-day and 280-day rules, how days count, and how ordinary residence and domicile fit in.
15 Oct 2026
US Substantial Presence Test: How to Count Your Days Across 3 Years
Learn how the US substantial presence test counts days across three years, which days are excluded, and when exceptions may keep you a nonresident for tax.
08 Oct 2026
California Residency for Tax Purposes: 183-Day Rule Explained
California residency for tax purposes is not based on a simple 183-day rule. Learn the 9-month presumption, domicile factors, and how to prove a move.
28 Sep 2026
UK Statutory Residence Test: How UK Days, Workdays and Ties Are Counted
Understand how the UK Statutory Residence Test counts UK days, workdays and ties so you can track residence risk accurately before thresholds are crossed.
24 Sep 2026
How to Prove Physical Presence for Tax Residency: Records That Matter
Learn how to prove physical presence for tax residency with border records, boarding passes, bank data, GPS, work records and an audit-ready travel log.
17 Sep 2026
How to Track Workdays Across US States for Tax Purposes
Learn how to track workdays across US states, record your physical work location, keep evidence and manage multi-state tax day counts accurately.