Iran has announced extended completion and payment arrangements for Spring 2026 VAT obligations, together with full relief from specified penalties for eligible taxpayers who act by the stated deadlines.
VAT Circular
Spring 2026 VAT Deadline and Penalty Relief
Considering the deadlines for issuing and registering electronic invoices, buyer responses in the Taxpayer System, and the applicable VAT rules, the Iranian National Tax Administration announced the following measures:
- Taxpayers who pay or arrange payment of their Spring 1405 VAT liability through the Taxpayer System by the end of August 16, 2026 (25 Mordad 1405) may receive a 100% waiver of the penalties under Article 37 relating to late payment of the VAT calculated in the saved performance summary.
- The deadline for completing the electronic transaction-details form connected with the Article 169 transaction list for Spring 1405 is extended to the end of August 16, 2026 (25 Mordad 1405).
- Transaction details may be completed by file upload only until the end of August 15, 2026 (24 Mordad 1405). On August 16, 2026 (25 Mordad 1405), completion will be available through item-by-item data entry.
- Taxpayers who finalize and save the contents of their Spring 1405 VAT performance summary through the Taxpayer System by the end of August 16, 2026 (25 Mordad 1405) may receive a 100% waiver of the penalties under paragraph (b) of Article 36 relating to the VAT calculated in that summary.
Head of the Iranian National Tax Administration
Key dates at a glance
| Action | Scope | Deadline |
|---|---|---|
| VAT payment or payment arrangement | Spring 1405 VAT liability through the Taxpayer System | August 16, 202625 Mordad 1405 |
| Transaction-details form | Electronic completion for the Spring 1405 Article 169 transaction list | August 16, 202625 Mordad 1405 |
| Transaction-details file upload | Last day for completing transaction details by uploaded file | August 15, 202624 Mordad 1405 |
| Final VAT performance summary | Finalization and saving of the Spring 1405 VAT performance summary | August 16, 202625 Mordad 1405 |
Source and disclaimer
Source: Circular No. 200/1405/28 issued by the Iranian National Tax Administration on July 29, 2026 (7 Mordad 1405).
This page is an unofficial English summary and does not replace the original circular, professional tax advice, or later official guidance. Taxpayers should confirm how the measures apply to their own VAT records and Taxpayer System status.
Need help with VAT compliance in Iran?
Daneshgaran can assist with VAT return review, Taxpayer System records, transaction details, reconciliations, payment schedules, and supporting documentation.
Contact us to discuss your VAT compliance requirements.