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Reading the regulations as they stood on December 31, 2016. Current text may differ.Switch to current
Historical textIn force on Dec. 31, 2016Source: annual CFR edition 2016

§ 366.6 Cancellation or change.

Wording in the annual edition revised as of Oct. 1, 2016, superseded January 17, 2017.

govinfo, 2016 edition ↗
Before Jan. 1, 2017 the record is one snapshot per annual CFR edition, revised as of October 1. This is the 2016 edition's wording. An amendment that took effect between Oct. 1, 2016 and Dec. 31, 2016 would not appear until the next edition, so check the citations below and the Federal Register for exact effective dates.
49 CFR § 366.6 — Cancellation or change.. Text in force on December 31, 2016. This wording effective October 1, 2016 to January 17, 2017. Source: govinfo, 2016 edition, https://www.govinfo.gov/app/details/CFR-2016-title49-vol5/CFR-2016-title49-vol5-sec366-6. Retrieved from FMCSR.com, https://fmcsr.com/reg/366.6?asof=2016-12-31, on October 26, 2026. Unofficial compilation; verify against the official source.

Link to an amendment published at 78 FR 52648, Aug. 23, 2013.

Link to a delay published at 80 FR 63702, Oct. 21, 2015.

Link to an amendment published at 80 FR 63706, Oct. 21, 2015.

Link to a delay published at 81 FR 49553, July 28, 2016.

A designation may be canceled or changed only by a new designation except that, where a carrier or broker ceases to be subject to § 366.4 in whole or in part for 1 year, designation is no longer required and may be canceled without making another designation.

[55 FR 11197, Mar. 27, 1990. Redesignated at 61 FR 54707, Oct. 21, 1996; 62 FR 49940, Sept. 24, 1997]

Amendment history

4 distinct wordings on file since Oct. 1, 1998
  1. Jan. 17, 2017 → presenteCFR, day-precisediff vs. previous
    [80 FR 63706, Oct. 21, 2015]
  2. Oct. 1, 2016 → Jan. 17, 2017annual edition 2016diff vs. previousviewing
    [55 FR 11197, Mar. 27, 1990. Redesignated at 61 FR 54707, Oct. 21, 1996; 62 FR 49940, Sept. 24, 1997]
  3. Oct. 1, 2013 → Oct. 1, 2016annual editions 2013–2015diff vs. previous
    [55 FR 11197, Mar. 27, 1990. Redesignated at 61 FR 54707, Oct. 21, 1996; 62 FR 49940, Sept. 24, 1997]
  4. Oct. 1, 1998 → Oct. 1, 2013annual editions 1998–2012
    [55 FR 11197, Mar. 27, 1990. Redesignated at 61 FR 54707, Oct. 21, 1996; 62 FR 49940, Sept. 24, 1997]

A new entry appears whenever the regulatory words change between government snapshots. Day-precise from the eCFR (2017 onward); before that, one snapshot per annual CFR edition (revised as of October 1). Bracketed citations are the Federal Register history printed with the section.