The “Reference Model for an Open Archival Information System (OAIS)†standard was approved as CCSDS 650.0-B-1 in January 2002 and was approved as ISO standard 14721 in 2003. In accordance with normal procedure, the first five-year review of the standard is now underway. Comments may be submitted by 30 October, 2006 to OAIS-support@delight.gsfc.nasa.gov, and should be identifed as either updates needed for clarification, updates to add missing concepts or strengthen weak concepts, or identification of any outdated material.