Updated June 2026

Irish Tax
Deadlines 2026

Don't miss a Revenue deadline. Income tax, corporation tax, VAT, PAYE, capital gains — every filing date for 2026 in one place.

View full 2026 calendar →
31 Oct
Income tax return deadline (Form 11)
9 months
After period end — CT1 deadline
19th
Each even month — VAT bi-monthly
10%
Surcharge for filing late

Key deadlines by tax type

Choose a tax type for full details, dates and what to do.

📅
Calendar
Full 2026 Calendar
Every deadline by month
Month-by-month view of all Revenue filing and payment deadlines for 2026.
View calendar →
🧾
PAYE / Self-assessed
Income Tax Deadline
31 October 2026
Form 11 (self-assessed), ROS extended deadline, preliminary tax, PAYE filing.
See income tax dates →
🏢
Companies
Corporation Tax
9 months after period end
CT1 return and payment due 9 months after your accounting period end.
See CT1 deadlines →
📊
VAT
VAT Return Deadlines
19th of each even month
Bi-monthly VAT returns due 19th of February, April, June, August, October, December.
See VAT dates →
📋
Guide
Complete Guide
All tax types explained
Understand every Irish tax deadline — what triggers the surcharge, how to extend, what to do if you miss a date.
Read guide →
❓
FAQ
FAQ — 20 Questions
Common questions answered
What happens if you miss a deadline, how to get an extension, and what the ROS extended date means.
See all FAQs →
D’Emilia Accounting

Never miss a Revenue deadline again.

Our accountants handle your filings, send you deadline reminders, and ensure you are always compliant with Revenue — for income tax, corporation tax, VAT, PAYE and more.

Visit D’Emilia Accounting

Key dates to remember — 2026

DateTax typeWhat is due
19 Feb 2026VATBi-monthly return (Nov–Dec 2025)
14 Mar 2026PAYEEmployer monthly PAYE/PRSI (February)
19 Apr 2026VATBi-monthly return (Jan–Feb 2026)
23 Jun 2026Corporation TaxPreliminary tax — large companies (period ending Sep 2026)
31 Oct 2026Income TaxForm 11 filing deadline + 2025 balance + 2026 preliminary tax
~12 Nov 2026Income Tax (ROS)Extended ROS deadline for Form 11
14 Dec 2026PAYEEmployer monthly PAYE/PRSI (November)
19 Dec 2026VATBi-monthly return (Sep–Oct 2026)
31 Dec 2026CGTCapital Gains Tax payment (gains from Nov–Dec 2025)
⚠️ Missing a Revenue deadline triggers an automatic late filing surcharge of 10% (up to 2 months late) or 20% (more than 2 months late), plus daily interest on unpaid tax.