‹ EDBS — CBB Rulebook: Publication of Volume 5 (Specialised Licensees: Ancillary Service Providers)_15 March 2016 CBB Volume 5 Rulebook (Specialised Licensees) Amendment to Module EN_9 March 2016 › CBB Volume 5 Rulebook (Specialised Licensees) Amendment to Module EN_14 March 2016 Click here to download the Letter in PDF format. ‹ EDBS — CBB Rulebook: Publication of Volume 5 (Specialised Licensees: Ancillary Service Providers)_15 March 2016 CBB Volume 5 Rulebook (Specialised Licensees) Amendment to Module EN_9 March 2016 ›