Thai Tax Calendar 2026 All Thai tax filing deadlines in one place — VAT, WHT, corporate income tax, social security, and DBD financial statement submission. Toggle e-filing extensions and get penalty details on any deadline.
| Dates based on Dec 31 fiscal year end Year: 2568 (2025) 2569 (2026) 2570 (2027) ▾
Upcoming Deadlines (30 days) 🧾 ภ.พ.30 14 days overdue
Value Added Tax (VAT) — PP 30
🏥 สปส.1-10 14 days overdue
Social Security Contribution (SSF)
👤 ภ.ง.ด.1 22 days overdue
WHT on Salaries (PND 1)
🧑 ภ.ง.ด.3 22 days overdue
WHT — Individual Payees (PND 3)
🏢 ภ.ง.ด.53 22 days overdue
WHT — Corporate Payees (PND 53)
🧾 ภ.พ.30 45 days overdue
Value Added Tax (VAT) — PP 30
🏥 สปส.1-10 45 days overdue
Social Security Contribution (SSF)
👤 ภ.ง.ด.1 53 days overdue
WHT on Salaries (PND 1)
🧑 ภ.ง.ด.3 53 days overdue
WHT — Individual Payees (PND 3)
🏢 ภ.ง.ด.53 53 days overdue
WHT — Corporate Payees (PND 53)
🧾 ภ.พ.30 75 days overdue
Value Added Tax (VAT) — PP 30
🏥 สปส.1-10 75 days overdue
Social Security Contribution (SSF)
👤 ภ.ง.ด.1 83 days overdue
WHT on Salaries (PND 1)
🧑 ภ.ง.ด.3 83 days overdue
WHT — Individual Payees (PND 3)
🏢 ภ.ง.ด.53 83 days overdue
WHT — Corporate Payees (PND 53)
🏛️ สบช.3 90 days overdue
Financial Statement Filing (DBD)
📊 ภ.ง.ด.50 91 days overdue
Corporate Income Tax — Annual (PND 50)
🧾 ภ.พ.30 106 days overdue
Value Added Tax (VAT) — PP 30
🏥 สปส.1-10 106 days overdue
Social Security Contribution (SSF)
👤 ภ.ง.ด.1 114 days overdue
WHT on Salaries (PND 1)
🧑 ภ.ง.ด.3 114 days overdue
WHT — Individual Payees (PND 3)
🏢 ภ.ง.ด.53 114 days overdue
WHT — Corporate Payees (PND 53)
👥 AGM 121 days overdue
Annual General Meeting (AGM)
🧾 ภ.พ.30 136 days overdue
Value Added Tax (VAT) — PP 30
🏥 สปส.1-10 136 days overdue
Social Security Contribution (SSF)
👤 ภ.ง.ด.1 144 days overdue
WHT on Salaries (PND 1)
🧑 ภ.ง.ด.3 144 days overdue
WHT — Individual Payees (PND 3)
🏢 ภ.ง.ด.53 144 days overdue
WHT — Corporate Payees (PND 53)
🧾 ภ.พ.30 167 days overdue
Value Added Tax (VAT) — PP 30
🏥 สปส.1-10 167 days overdue
Social Security Contribution (SSF)
👤 ภ.ง.ด.1 175 days overdue
WHT on Salaries (PND 1)
🧑 ภ.ง.ด.3 175 days overdue
WHT — Individual Payees (PND 3)
🏢 ภ.ง.ด.53 175 days overdue
WHT — Corporate Payees (PND 53)
🧾 ภ.พ.30 195 days overdue
Value Added Tax (VAT) — PP 30
🏥 สปส.1-10 195 days overdue
Social Security Contribution (SSF)
👤 ภ.ง.ด.1 203 days overdue
WHT on Salaries (PND 1)
🧑 ภ.ง.ด.3 203 days overdue
WHT — Individual Payees (PND 3)
🏢 ภ.ง.ด.53 203 days overdue
WHT — Corporate Payees (PND 53)
🧾 ภ.พ.30 226 days overdue
Value Added Tax (VAT) — PP 30
🏥 สปส.1-10 226 days overdue
Social Security Contribution (SSF)
👤 ภ.ง.ด.1 234 days overdue
WHT on Salaries (PND 1)
🧑 ภ.ง.ด.3 234 days overdue
WHT — Individual Payees (PND 3)
🏢 ภ.ง.ด.53 234 days overdue
WHT — Corporate Payees (PND 53)
📋 ภ.ง.ด.51 2 days left
Corporate Income Tax — Mid-year (PND 51)
👤 ภ.ง.ด.1 9 days left
WHT on Salaries (PND 1)
🧑 ภ.ง.ด.3 9 days left
WHT — Individual Payees (PND 3)
🏢 ภ.ง.ด.53 9 days left
WHT — Corporate Payees (PND 53)
🧾 ภ.พ.30 17 days left
Value Added Tax (VAT) — PP 30
🏥 สปส.1-10 17 days left
Social Security Contribution (SSF)
Jan
👤 ภ.ง.ด.1 ▼
7 Jan — 234 days overdue
🧑 ภ.ง.ด.3 ▼
7 Jan — 234 days overdue
🏢 ภ.ง.ด.53 ▼
7 Jan — 234 days overdue
🧾 ภ.พ.30 ▼
15 Jan — 226 days overdue
🏥 สปส.1-10 ▼
15 Jan — 226 days overdue
Feb
👤 ภ.ง.ด.1 ▼
7 Feb — 203 days overdue
🧑 ภ.ง.ด.3 ▼
7 Feb — 203 days overdue
🏢 ภ.ง.ด.53 ▼
7 Feb — 203 days overdue
🧾 ภ.พ.30 ▼
15 Feb — 195 days overdue
🏥 สปส.1-10 ▼
15 Feb — 195 days overdue
Mar
👤 ภ.ง.ด.1 ▼
7 Mar — 175 days overdue
🧑 ภ.ง.ด.3 ▼
7 Mar — 175 days overdue
🏢 ภ.ง.ด.53 ▼
7 Mar — 175 days overdue
🧾 ภ.พ.30 ▼
15 Mar — 167 days overdue
🏥 สปส.1-10 ▼
15 Mar — 167 days overdue
Apr
👤 ภ.ง.ด.1 ▼
7 Apr — 144 days overdue
🧑 ภ.ง.ด.3 ▼
7 Apr — 144 days overdue
🏢 ภ.ง.ด.53 ▼
7 Apr — 144 days overdue
🧾 ภ.พ.30 ▼
15 Apr — 136 days overdue
🏥 สปส.1-10 ▼
15 Apr — 136 days overdue
👥 AGM ▼
30 Apr — 121 days overdue
May
👤 ภ.ง.ด.1 ▼
7 May — 114 days overdue
🧑 ภ.ง.ด.3 ▼
7 May — 114 days overdue
🏢 ภ.ง.ด.53 ▼
7 May — 114 days overdue
🧾 ภ.พ.30 ▼
15 May — 106 days overdue
🏥 สปส.1-10 ▼
15 May — 106 days overdue
📊 ภ.ง.ด.50 ▼
30 May — 91 days overdue
🏛️ สบช.3 ▼
31 May — 90 days overdue
Jun
👤 ภ.ง.ด.1 ▼
7 Jun — 83 days overdue
🧑 ภ.ง.ด.3 ▼
7 Jun — 83 days overdue
🏢 ภ.ง.ด.53 ▼
7 Jun — 83 days overdue
🧾 ภ.พ.30 ▼
15 Jun — 75 days overdue
🏥 สปส.1-10 ▼
15 Jun — 75 days overdue
Jul
👤 ภ.ง.ด.1 ▼
7 Jul — 53 days overdue
🧑 ภ.ง.ด.3 ▼
7 Jul — 53 days overdue
🏢 ภ.ง.ด.53 ▼
7 Jul — 53 days overdue
🧾 ภ.พ.30 ▼
15 Jul — 45 days overdue
🏥 สปส.1-10 ▼
15 Jul — 45 days overdue
Aug Now
👤 ภ.ง.ด.1 ▼
7 Aug — 22 days overdue
🧑 ภ.ง.ด.3 ▼
7 Aug — 22 days overdue
🏢 ภ.ง.ด.53 ▼
7 Aug — 22 days overdue
🧾 ภ.พ.30 ▼
15 Aug — 14 days overdue
🏥 สปส.1-10 ▼
15 Aug — 14 days overdue
📋 ภ.ง.ด.51 ▼
31 Aug — 2 days left
Sep
👤 ภ.ง.ด.1 ▼
7 Sep — 9 days left
🧑 ภ.ง.ด.3 ▼
7 Sep — 9 days left
🏢 ภ.ง.ด.53 ▼
7 Sep — 9 days left
🧾 ภ.พ.30 ▼
15 Sep — 17 days left
🏥 สปส.1-10 ▼
15 Sep — 17 days left
Oct
👤 ภ.ง.ด.1 ▼
7 Oct — 39 days left
🧑 ภ.ง.ด.3 ▼
7 Oct — 39 days left
🏢 ภ.ง.ด.53 ▼
7 Oct — 39 days left
🧾 ภ.พ.30 ▼
15 Oct — 47 days left
🏥 สปส.1-10 ▼
15 Oct — 47 days left
Nov
👤 ภ.ง.ด.1 ▼
7 Nov — 70 days left
🧑 ภ.ง.ด.3 ▼
7 Nov — 70 days left
🏢 ภ.ง.ด.53 ▼
7 Nov — 70 days left
🧾 ภ.พ.30 ▼
15 Nov — 78 days left
🏥 สปส.1-10 ▼
15 Nov — 78 days left
Dec
👤 ภ.ง.ด.1 ▼
7 Dec — 100 days left
🧑 ภ.ง.ด.3 ▼
7 Dec — 100 days left
🏢 ภ.ง.ด.53 ▼
7 Dec — 100 days left
🧾 ภ.พ.30 ▼
15 Dec — 108 days left
🏥 สปส.1-10 ▼
15 Dec — 108 days left
Deadlines are based on a December 31 fiscal year end. Verify with the Revenue Department for other year-end dates. Quick Reference — Monthly Deadlines Form Description Paper e-Filing ภ.ง.ด.1 / PND 1 WHT on salaries (monthly) 7th 15th ภ.ง.ด.3 / PND 3 WHT — individual payees 7th 15th ภ.ง.ด.53 / PND 53 WHT — corporate payees 7th 15th ภ.พ.30 / PP 30 VAT monthly return 15th 23rd SSF (สปส.1-10) Social security contribution 15th 15th
* e-Filing adds 8 days for WHT and VAT forms. Social security online deadline is same as paper.
Disclaimer: Deadlines shown are based on a December 31 fiscal year end. Companies with different year-end dates must calculate their own deadlines. When a deadline falls on a public holiday or weekend, it generally moves to the next business day — verify with the Revenue Department or SSO.
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