There are two different accounts available: the CISM and the CÉCI account. You may need only one or the two of them. Both are free of charge but some rules apply.
See the documentation about how to create an account.
Duties and responsibilities of the user:
See the documentation about the access conditions.
Important : users are requested to tag their publications that were made possible thanks to the CISM/CÉCI infrastructure. See Acknowledgements.