SAF-T (PT) submission deadline
Next deadline
October 2026 invoices: submit by Thursday, 5 November 2026.
9 days left.
Check the file before you submit A rejection close to the deadline leaves little time to fix it. SAFTCheck shows every error with its line number in under a minute, free.
Validate your SAF-T, freeThe rule
The monthly billing SAF-T must reach AT by day 5 of the month after the invoices were issued. When day 5 falls on a Saturday, Sunday or national public holiday, the deadline moves to the next working day.
The government occasionally grants extraordinary extensions, for example around the year end. AT announces those on the Portal das Finanças; they are not reflected here.
The next 12 deadlines
| Invoices of | Submit by | Note |
|---|---|---|
| October 2026 | Thursday, 5 November 2026 | |
| November 2026 | Monday, 7 December 2026 | Moved: 5 December is a weekend |
| December 2026 | Tuesday, 5 January 2027 | |
| January 2027 | Friday, 5 February 2027 | |
| February 2027 | Friday, 5 March 2027 | |
| March 2027 | Monday, 5 April 2027 | |
| April 2027 | Wednesday, 5 May 2027 | |
| May 2027 | Monday, 7 June 2027 | Moved: 5 June is a weekend |
| June 2027 | Monday, 5 July 2027 | |
| July 2027 | Thursday, 5 August 2027 | |
| August 2027 | Monday, 6 September 2027 | Moved: 5 September is a weekend |
| September 2027 | Wednesday, 6 October 2027 | Moved: 5 October is a public holiday |