Important Dates

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IETF 126
2026-07-18, Vienna, AT

Date	Weekday	Description
2026-02-05	Week of	IETF Online Registration Opens Register Here.
2026-04-20	Monday	Working Group and BOF scheduling begins. To request a Working Group session, use the IETF Meeting Session Request Tool. If you are working on a BOF request, it is highly recommended to tell the IESG now by sending an email to iesg@ietf.org to get advance help with the request.
2026-05-22	Friday	Cut-off date for BOF proposal requests. To request a BoF session use the IETF BoF Request Tool.
2026-06-01	Monday	Super Early registration cutoff at UTC 23:59.
2026-06-05	Friday	Cut-off date for revised BOF proposal requests to Area Directors at UTC 23:59. To request a BOF, please see instructions at https://www.ietf.org/how/bofs/bof-procedures on Requesting a BOF.
2026-06-05	Friday	Cut-off date for requests to schedule Working Group Meetings at UTC 23:59. To request a Working Group session, use the IETF Meeting Session Request Tool.
2026-06-12	Friday	Cut-off date for Area Directors to approve BOFs at UTC 23:59.
2026-06-19	Friday	Preliminary Agenda published for comment.
2026-06-24	Wednesday	Cut-off date for requests to reschedule Working Group or BOF meetings UTC 23:59.
2026-06-26	Friday	Final agenda to be published.
2026-07-06	Monday	Early registration and payment cut-off at UTC 23:59.
2026-07-06	Monday	Internet-Draft submission cut-off (for all Internet-Drafts, including -00) by UTC 23:59. Upload using the I-D Submission Tool.
2026-07-08	Wednesday	Draft Working Group agendas due by UTC 23:59. Upload using the Meeting Materials Management Tool.
2026-07-13	Monday	Revised Working Group agendas due by UTC 23:59. Upload using the Meeting Materials Management Tool.
2026-07-13	Monday	Registration cancellation cut-off at UTC 23:59.
2026-08-14	Friday	Proceedings submission cutoff date by UTC 23:59. Upload using the Meeting Materials Management Tool.
2026-09-08	Tuesday	Proceedings submission corrections cutoff date by UTC 23:59.

IETF 127
2026-11-14, San Francisco, US

Date	Weekday	Description
2026-04-06	Week of	IETF Online Registration Opens Register Here.
2026-08-17	Monday	Working Group and BOF scheduling begins. To request a Working Group session, use the IETF Meeting Session Request Tool. If you are working on a BOF request, it is highly recommended to tell the IESG now by sending an email to iesg@ietf.org to get advance help with the request.
2026-09-18	Friday	Cut-off date for BOF proposal requests. To request a BoF session use the IETF BoF Request Tool.
2026-09-28	Monday	Super Early registration cutoff at UTC 23:59.
2026-10-02	Friday	Cut-off date for requests to schedule Working Group Meetings at UTC 23:59. To request a Working Group session, use the IETF Meeting Session Request Tool.
2026-10-02	Friday	Cut-off date for revised BOF proposal requests to Area Directors at UTC 23:59. To request a BOF, please see instructions at https://www.ietf.org/how/bofs/bof-procedures on Requesting a BOF.
2026-10-09	Friday	Cut-off date for Area Directors to approve BOFs at UTC 23:59.
2026-10-16	Friday	Preliminary Agenda published for comment.
2026-10-21	Wednesday	Cut-off date for requests to reschedule Working Group or BOF meetings UTC 23:59.
2026-10-23	Friday	Final agenda to be published.
2026-11-02	Monday	Early registration and payment cut-off at UTC 23:59.
2026-11-02	Monday	Internet-Draft submission cut-off (for all Internet-Drafts, including -00) by UTC 23:59. Upload using the I-D Submission Tool.
2026-11-04	Wednesday	Draft Working Group agendas due by UTC 23:59. Upload using the Meeting Materials Management Tool.
2026-11-09	Monday	Registration cancellation cut-off at UTC 23:59.
2026-11-09	Monday	Revised Working Group agendas due by UTC 23:59. Upload using the Meeting Materials Management Tool.
2026-12-11	Friday	Proceedings submission cutoff date by UTC 23:59. Upload using the Meeting Materials Management Tool.
2027-01-04	Monday	Proceedings submission corrections cutoff date by UTC 23:59.