Resources
Tax & social security calendar
Main filing deadlines published by the firm, each with its source and last verification date. Always check your own situation with your adviser.
| Mon | Tue | Wed | Thu | Fri | Sat | Sun |
|---|---|---|---|---|---|---|
| 23 | 24 | 25 | 26 | 27 | 28 | 1 |
| 2 | 3 | 4 | 5 | 6 | 7 | 8 |
| 9 | 10 | 11 | 12 | 13 | 14 | 15 |
| 16 | 17 | 18 | 19 | 20 | 21 | 22 |
| 23 | 24 | 25 | 26 | 27 | 28 | 29 |
| 30 | 31 Corporate Tax (IS) annual return, balance payment and 1st provisional installment Quarterly payment terms declaration (Law 69-21 — Q1) | 1 | 2 | 3 | 4 | 5 |
Deadline details
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31Mar 2026Tax
Corporate Tax (IS) annual return, balance payment and 1st provisional installment
Télédéclaration du résultat fiscal et de la liasse comptable (clôture au 31/12), paiement du reliquat d’IS ou de la Cotisation Minimale et versement du 1er acompte trimestriel.
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31Mar 2026Tax
Quarterly payment terms declaration (Law 69-21 — Q1)
Déclaration électronique sur SIMPL des factures fournisseurs dont le délai de règlement dépasse le délai légal ou contractuel.