The IESG has received a request from the IPv6 Maintenance WG (6man) to consider the following document: - 'Transmission and Processing of IPv6 Extension Headers' <draft-ietf-6man-ext-transmit-03.txt> as Proposed Standard The IESG plans to make a decision in the next few weeks, and solicits final comments on this action. Please send substantive comments to the ietf@ietf.org mailing lists by 2013-09-20. Exceptionally, comments may be sent to iesg@ietf.org instead. In either case, please retain the beginning of the Subject line to allow automated sorting. Abstract Various IPv6 extension headers have been standardised since the IPv6 standard was first published. This document updates RFC 2460 to clarify how intermediate nodes should deal with such extension headers and with any that are defined in future. It also specifies how extension headers should be registered by IANA, with a corresponding minor update to RFC 2780. The file can be obtained via http://datatracker.ietf.org/doc/draft-ietf-6man-ext-transmit/ IESG discussion can be tracked via http://datatracker.ietf.org/doc/draft-ietf-6man-ext-transmit/ballot/ No IPR declarations have been submitted directly on this I-D.