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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.

December 2026

Tax & social security calendar — December 2026
MonTueWedThuFriSatSun
30 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 1 2 3

Deadline details

  • 10Dec 2026
    Social 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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