Seafarers Tax Auto Log

Seafarer Tax Deduction helps UK seafarers track time spent outside the UK to qualify for the Seafarers' Earnings Deduction (SED) under HMRC HS205. Working out whether you meet the "50% rule" across a long qualifying period is fiddly and easy to get wrong. This app does the counting for you — logging your voyages, tracking your days in and out of the UK, and showing at a glance whether you're still qualifying. KEY FEATURES • Live qualifying tracker — see your days outside the UK, UK days used, an