Dear CESG Members, The closure date for the poll below is 26 January 2024. - CESG-P-2023-12-002 Approval to publish CCSDS 521.0-B-3, Mission Operations Message Abstraction Layer (Blue Book, Issue 3) This poll can be accessed via the following link: https://cwe.ccsds.org/fm/Lists/CESGPollQuestion/open.aspx