The IESG has approved the following document: - 'RTP and Leap Seconds' (draft-ietf-avtcore-leap-second-08.txt) as Proposed Standard This document is the product of the Audio/Video Transport Core Maintenance Working Group. The IESG contact persons are Richard Barnes and Gonzalo Camarillo. A URL of this Internet Draft is: http://datatracker.ietf.org/doc/draft-ietf-avtcore-leap-second/ Technical Summary This document discusses issues that arise when RTP sessions span Coordinated Universal Time (UTC) leap seconds. It updates RFC 3550 to describe how RTP senders and receivers should behave in the presence of leap seconds. Working Group Summary There has solid consensus in the AVTCORE WG to do this work. The WG process has been making good progress with a reasonable amount of persons involved in reviewing and commenting on the document. Document Quality There has been several reviewers that combined make the Shepherd convinced that this document has no substantiative issues. First Colin Perkins has reviewed the RTP/RTCP recommendations. Then Art Allison and John Fletcher has reviewed and commented on the time and clock aspects of this document. The shepherd is not yet aware of any implementation of this specification. Personnel Magnus Westerlund is the Document Shepherd and Richard Barnes the responsible AD.