This is an announcement of an IETF-wide Call for Comment on draft-iab-rfc-preservation-03. The document is being considered for publication as an Informational RFC within the IAB stream, and is available for inspection at: https://datatracker.ietf.org/doc/draft-iab-rfc-preservation/ The Call for Comment will last until 2017-02-22. Please send comments to architecture-discuss@ietf.org and iab@iab.org. Abstract The RFC Editor is both the publisher and the archivist for the RFC Series. This document applies specifically to the archivist role of the RFC Editor. It provides guidance on when and how to preserve RFCs, and the tools required to view or re-create RFCs as necessary. This document also highlights where gaps are in the current process, and where compromises are suggested to balance cost with ideal best practice.