The IESG has received a request from an individual submitter to consider the following document: - 'P-Charge-Info - A Private Header Field (P-Header) Extension to the Session Initiation Protocol (SIP)' <draft-york-p-charge-info-08.txt> as Informational RFC 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 2018-08-13. 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 This text documents the current usage of P-Charge-Info, an existing private Session Initiation Protocol (SIP) header field (P-Header) used to convey billing information about the party to be charged. This P-Header is currently used in production by several equipment vendors and carriers and has been in usage since at least 2007. This document is submitted to request the registration of this header field with the Internet Assigned Numbers Authority (IANA). The file can be obtained via https://datatracker.ietf.org/doc/draft-york-p-charge-info/ IESG discussion can be tracked via https://datatracker.ietf.org/doc/draft-york-p-charge-info/ballot/ No IPR declarations have been submitted directly on this I-D.