The CASD user guide, which contains all the information you need to understand the CASD security environment, has been updated. Please consult it on the CASD website (see footer).
other News
28 February 2026
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Starting in March, CASD will roll out a new secure automatic import feature.
23 February 2026
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At the request of the DGFiP, several changes have been implemented to simplify and speed up the user accreditation process.
17 February 2026
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Following on from previous sessions, CASD invites you to join us on Tuesday, March 24 at 11:00 a.m. for a presentation on Apache Arrow technology.
10 February 2026
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A presentation of the RICA data will be held on Wednesday, April 8, 2026, from 10:00 a.m. to 12:00 p.m…





