While you compress your file, your work is being signed by PKZIP.

The last step is to copy the attributed key of the CRC signature (8th column, here “6e881552”)
to the “Signature” field of the IDDN referencing form.
(you may do it by copy/paste)

here "6e881552" is the signature key

ATTENTION : keep your zipped file carefully with the certificate attributed by INTERDEPOSIT

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RETURN TO THE PROCEDURE