§FMCSR.com
Historical textIn force on June 1, 2015Source: annual CFR editions 2013–2015

§ 366.6 Cancellation or change.

Wording in the annual edition revised as of Oct. 1, 2013, superseded by the 2016 annual edition.

govinfo, 2014 edition ↗
Before Jan. 1, 2017 the record is one snapshot per annual CFR edition, revised as of October 1. This is the 2014 edition's wording. An amendment that took effect between Oct. 1, 2014 and June 1, 2015 would not appear until the next edition, so check the citations below and the Federal Register for exact effective dates.
What changedOct. 1, 1998 wording → Oct. 1, 2013 wording+44 added−0 removedHide

Link to an amendment published at 78 FR 52648, Aug. 23, 2013.
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]
Effective Date Note:
At 78 FR 52647, Aug. 23, 2013, § 366.6 was revised, effective Oct. 23, 2015. For the convenience of the user, the revised text is set forth as follows:

49 CFR § 366.6 — Cancellation or change.. Text in force on June 1, 2015. This wording effective October 1, 2013 to October 1, 2016. Source: govinfo, 2014 edition, https://www.govinfo.gov/app/details/CFR-2014-title49-vol5/CFR-2014-title49-vol5-sec366-6. Retrieved from FMCSR.com, https://fmcsr.com/reg/366.6?asof=2015-06-01, on October 26, 2026. Unofficial compilation; verify against the official source.

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

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]

Effective Date Note:

At 78 FR 52647, Aug. 23, 2013, § 366.6 was revised, effective Oct. 23, 2015. For the convenience of the user, the revised text is set forth as follows:

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. previous
    [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. previousviewing
    [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.