The ISSN International Centre has been invited to participate to ABES Annual Conference in Montpellier, France. Nathalie Cornic, Head of Metadata and Technical Coordination of the ISSN Network, will participate in SUDOC PS Network Meeting to be held on 27 May 2019. She will give a joint presentation with Philippe Cantié, Head of ISSN France, about the participation of the ISSN Network in CIDEMIS. This professional application, whose acronym means Dematerialized CIrcuit of ISSN Requests, is designed to automate the management of ISSN assignment and modification requests for continuous resources reported in the Sudoc. A presentation of the latest developments of the ISSN Portal is also on the agenda.