The recording of the 1st April 1 SA seminar on the CHIS is available at this address: https://cds.cern.ch/record/2929072
See also the Proton 2024 on the Sustainability of social protection: https://staff-association.web.cern.ch/sites/default/files/Proton-Special-2024-Vers-la-perennite-de-la-protection-sociale.pdf