Date: 2015 Apr 30 15:00 ET Purpose: Review 67P coordinate system document to verify it conforms with IAU guidelines and PDS standards. Document for review: 'documents/67P_C-G_reference-frames_and_mapping-scheme_v1.1.pdf' Participants: SBN UMD: Mike A'Hearn Tilden Barnes Ludmilla Kolokolova Tony Farnham SBN PSI: Don Davis Eric Palmer Carol Neese NAIF: Chuck Acton Boris Semenov Reviewers: Peter Thomas (Cornell University) Randy Kirk (Scientist Emeritus)