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 |
|---|---|---|---|---|---|---|
| 30 | 1 | 2 | 3 | 4 | 5 | 6 |
| 7 | 8 | 9 | 10 Monthly CNSS & AMO social security declaration and payment on Damancom | 11 | 12 | 13 |
| 14 | 15 | 16 | 17 | 18 | 19 | 20 |
| 21 | 22 | 23 | 24 | 25 | 26 | 27 |
| 28 | 29 | 30 | 31 Payment of 4th Corporate Tax (IS) installment and year-end inventory closing | 1 | 2 | 3 |
Deadline details
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10Dec 2026Social security
Monthly CNSS & AMO social security declaration and payment on Damancom
Déclaration des salaires (BDS) et télépaiement des cotisations patronales et salariales CNSS, AMO et TFP sur le portail Damancom.
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31Dec 2026Tax
Payment of 4th Corporate Tax (IS) installment and year-end inventory closing
Télépaiement du 4e acompte d’IS et réalisation des opérations d’inventaire physique et comptable de fin d’exercice (stocks, immobilisations, provisions).