The AntiCSS project's recommendations to policy makers and standardisation orgnisations on how to avoid circumvention are now available online in draft version - the final versions will be uploaded in September 2021.
Find both documents - for the policy makers and for the standardisation bodies - in the lnk below, where also the guidelines for MSAs and testing laboratories are available:
https://www.anti-circumvention.eu/project-activities/guidelines-and-recommendations