§FMCSR.com
Historical textIn force on Oct. 1, 2007Source: annual CFR editions 2007–2008

§ 384.301 Substantial compliance-general requirements.

Wording in the annual edition revised as of Oct. 1, 2007, superseded by the 2009 annual edition.

govinfo, 2007 edition ↗
Before Jan. 1, 2017 the record is one snapshot per annual CFR edition, revised as of October 1. This is the 2007 edition's wording. An amendment that took effect between Oct. 1, 2007 and Oct. 1, 2007 would not appear until the next edition, so check the citations below and the Federal Register for exact effective dates.
What changedOct. 1, 2005 wording → Oct. 1, 2007 wording+49 added−0 removedHide

(a) To be in substantial compliance with 49 U.S.C. 31311(a), a State must meet each and every standard of subpart B of this part by means of the demonstrable combined effect of its statutes, regulations, administrative procedures and practices, organizational structures, internal control mechanisms, resource assignments (facilities, equipment, and personnel), and enforcement practices.
(b)(1) A State must come into substantial compliance with the requirements of subpart B of this part in effect as of September 30, 2002 as soon as practical, but, unless otherwise specifically provided in this part, not later than September 30, 2005.
(2) Exception. A State must come into substantial compliance with 49 CFR 383.123 not later than September 30, 2006.
(c) A State must come into substantial compliance with the requirements of subpart B of this part in effect as of September 4, 2007 as soon as practical but, unless otherwise specifically provided in this part, not later than September 4, 2010.
[67 FR 49763, July 31, 2002, as amended at 70 FR 56593, Sept. 28, 2005; 72 FR 36788, July 5, 2007]

49 CFR § 384.301 — Substantial compliance-general requirements.. Text in force on October 1, 2007. This wording effective October 1, 2007 to October 1, 2009. Source: govinfo, 2007 edition, https://www.govinfo.gov/app/details/CFR-2007-title49-vol5/CFR-2007-title49-vol5-sec384-301. Retrieved from FMCSR.com, https://fmcsr.com/reg/384.301?asof=2007-10-01, on October 26, 2026. Unofficial compilation; verify against the official source.

(a) To be in substantial compliance with 49 U.S.C. 31311(a), a State must meet each and every standard of subpart B of this part by means of the demonstrable combined effect of its statutes, regulations, administrative procedures and practices, organizational structures, internal control mechanisms, resource assignments (facilities, equipment, and personnel), and enforcement practices.

(b)(1) A State must come into substantial compliance with the requirements of subpart B of this part in effect as of September 30, 2002 as soon as practical, but, unless otherwise specifically provided in this part, not later than September 30, 2005.

(2) Exception. A State must come into substantial compliance with 49 CFR 383.123 not later than September 30, 2006.

(c) A State must come into substantial compliance with the requirements of subpart B of this part in effect as of September 4, 2007 as soon as practical but, unless otherwise specifically provided in this part, not later than September 4, 2010.

[67 FR 49763, July 31, 2002, as amended at 70 FR 56593, Sept. 28, 2005; 72 FR 36788, July 5, 2007]

Amendment history

36 distinct wordings on file since Oct. 1, 1996
  1. July 21, 2026 → presenteCFR, day-precisediff vs. previous
    [67 FR 49763, July 31, 2002]
  2. March 16, 2026 → July 21, 2026eCFR, day-precisediff vs. previous
    [67 FR 49763, July 31, 2002]
  3. Feb. 13, 2026 → March 16, 2026eCFR, day-precisediff vs. previous
    [67 FR 49763, July 31, 2002]
  4. Sept. 29, 2025 → Feb. 13, 2026eCFR, day-precisediff vs. previous
    [67 FR 49763, July 31, 2002]
  5. July 15, 2024 → Sept. 29, 2025eCFR, day-precisediff vs. previous
    [67 FR 49763, July 31, 2002]
  6. June 13, 2024 → July 15, 2024eCFR, day-precisediff vs. previous
    [67 FR 49763, July 31, 2002]
  7. Nov. 8, 2021 → June 13, 2024eCFR, day-precisediff vs. previous
    [67 FR 49763, July 31, 2002]
  8. Oct. 7, 2021 → Nov. 8, 2021eCFR, day-precisediff vs. previous
    [67 FR 49763, July 31, 2002, as amended at 70 FR 56593, Sept. 28, 2005; 72 FR 36788, July 5, 2007; 73 FR 73126, Dec. 1, 2008; 75 FR 59135, Sept. 27, 2010; 76 FR 26896, May 9, 2011; 76 FR 39018, July 5, 2011; 76 FR 68332, Nov. 4, 2011; 76 FR 75486, Dec. 2, 2011; 78 FR 17882, Mar. 25, 2013; 80 FR 22812, Apr. 23, 2015; 81 FR 70646, Oct. 13, 2016; 83 FR 22876, May 17, 2018; 83 FR 28781, June 21, 2018; 83 FR 48976, Sept. 28, 2018; 84 FR 35339, July 23, 2019; 84 FR 36840, July 30, 2019; 85 FR 6101, Feb. 4, 2020; 86 FR 32650, June 22, 2021; 86 FR 38940, July 23, 2021]
  9. Aug. 23, 2021 → Oct. 7, 2021eCFR, day-precisediff vs. previous
    [67 FR 49763, July 31, 2002, as amended at 70 FR 56593, Sept. 28, 2005; 72 FR 36788, July 5, 2007; 73 FR 73126, Dec. 1, 2008; 75 FR 59135, Sept. 27, 2010; 76 FR 26896, May 9, 2011; 76 FR 39018, July 5, 2011; 76 FR 68332, Nov. 4, 2011; 76 FR 75486, Dec. 2, 2011; 78 FR 17882, Mar. 25, 2013; 80 FR 22812, Apr. 23, 2015; 81 FR 70646, Oct. 13, 2016; 83 FR 22876, May 17, 2018; 83 FR 28781, June 21, 2018; 83 FR 48976, Sept. 28, 2018; 84 FR 35339, July 23, 2019; 84 FR 36840, July 30, 2019; 85 FR 6101, Feb. 4, 2020; 86 FR 32650, June 22, 2021; 86 FR 38940, July 23, 2021]
  10. July 23, 2021 → Aug. 23, 2021eCFR, day-precisediff vs. previous
    [67 FR 49763, July 31, 2002, as amended at 70 FR 56593, Sept. 28, 2005; 72 FR 36788, July 5, 2007; 73 FR 73126, Dec. 1, 2008; 75 FR 59135, Sept. 27, 2010; 76 FR 26896, May 9, 2011; 76 FR 39018, July 5, 2011; 76 FR 68332, Nov. 4, 2011; 76 FR 75486, Dec. 2, 2011; 78 FR 17882, Mar. 25, 2013; 80 FR 22812, Apr. 23, 2015; 81 FR 70646, Oct. 13, 2016; 83 FR 22876, May 17, 2018; 83 FR 28781, June 21, 2018; 83 FR 48976, Sept. 28, 2018; 84 FR 35339, July 23, 2019; 84 FR 36840, July 30, 2019; 85 FR 6101, Feb. 4, 2020; 86 FR 32650, June 22, 2021]
  11. June 22, 2021 → July 23, 2021eCFR, day-precisediff vs. previous
    [67 FR 49763, July 31, 2002, as amended at 70 FR 56593, Sept. 28, 2005; 72 FR 36788, July 5, 2007; 73 FR 73126, Dec. 1, 2008; 75 FR 59135, Sept. 27, 2010; 76 FR 26896, May 9, 2011; 76 FR 39018, July 5, 2011; 76 FR 68332, Nov. 4, 2011; 76 FR 75486, Dec. 2, 2011; 78 FR 17882, Mar. 25, 2013; 80 FR 22812, Apr. 23, 2015; 81 FR 70646, Oct. 13, 2016; 83 FR 22876, May 17, 2018; 83 FR 28781, June 21, 2018; 83 FR 48976, Sept. 28, 2018; 84 FR 35339, July 23, 2019; 84 FR 36840, July 30, 2019; 85 FR 6101, Feb. 4, 2020; 86 FR 32650, June 22, 2021]
  12. Feb. 4, 2020 → June 22, 2021eCFR, day-precisediff vs. previous
    [67 FR 49763, July 31, 2002, as amended at 70 FR 56593, Sept. 28, 2005; 72 FR 36788, July 5, 2007; 73 FR 73126, Dec. 1, 2008; 75 FR 59135, Sept. 27, 2010; 76 FR 26896, May 9, 2011; 76 FR 39018, July 5, 2011; 76 FR 68332, Nov. 4, 2011; 76 FR 75486, Dec. 2, 2011; 78 FR 17882, Mar. 25, 2013; 80 FR 22812, Apr. 23, 2015; 81 FR 70646, Oct. 13, 2016; 83 FR 22876, May 17, 2018; 83 FR 28781, June 21, 2018; 83 FR 48976, Sept. 28, 2018; 84 FR 35339, July 23, 2019; 84 FR 36840, July 30, 2019; 85 FR 6101, Feb. 4, 2020]
  13. Sept. 23, 2019 → Feb. 4, 2020eCFR, day-precisediff vs. previous
    [67 FR 49763, July 31, 2002, as amended at 70 FR 56593, Sept. 28, 2005; 72 FR 36788, July 5, 2007; 73 FR 73126, Dec. 1, 2008; 75 FR 59135, Sept. 27, 2010; 76 FR 26896, May 9, 2011; 76 FR 39018, July 5, 2011; 76 FR 68332, Nov. 4, 2011; 76 FR 75486, Dec. 2, 2011; 78 FR 17882, Mar. 25, 2013; 80 FR 22812, Apr. 23, 2015; 81 FR 70646, Oct. 13, 2016; 83 FR 22876, May 17, 2018; 83 FR 28781, June 21, 2018; 83 FR 48976, Sept. 28, 2018; 84 FR 35339, July 23, 2019; 84 FR 36840, July 30, 2019]
  14. July 31, 2019 → Sept. 23, 2019eCFR, day-precisediff vs. previous
    [67 FR 49763, July 31, 2002, as amended at 70 FR 56593, Sept. 28, 2005; 72 FR 36788, July 5, 2007; 73 FR 73126, Dec. 1, 2008; 75 FR 59135, Sept. 27, 2010; 76 FR 26896, May 9, 2011; 76 FR 39018, July 5, 2011; 76 FR 68332, Nov. 4, 2011; 76 FR 75486, Dec. 2, 2011; 78 FR 17882, Mar. 25, 2013; 80 FR 22812, Apr. 23, 2015; 81 FR 70646, Oct. 13, 2016; 83 FR 22876, May 17, 2018; 83 FR 28781, June 21, 2018; 83 FR 48976, Sept. 28, 2018]
  15. July 23, 2019 → July 31, 2019eCFR, day-precisediff vs. previous
    [67 FR 49763, July 31, 2002, as amended at 70 FR 56593, Sept. 28, 2005; 72 FR 36788, July 5, 2007; 73 FR 73126, Dec. 1, 2008; 75 FR 59135, Sept. 27, 2010; 76 FR 26896, May 9, 2011; 76 FR 39018, July 5, 2011; 76 FR 68332, Nov. 4, 2011; 76 FR 75486, Dec. 2, 2011; 78 FR 17882, Mar. 25, 2013; 80 FR 22812, Apr. 23, 2015; 81 FR 70646, Oct. 13, 2016; 83 FR 22876, May 17, 2018; 83 FR 28781, June 21, 2018; 83 FR 48976, Sept. 28, 2018]
  16. Nov. 27, 2018 → July 23, 2019eCFR, day-precisediff vs. previous
    [67 FR 49763, July 31, 2002, as amended at 70 FR 56593, Sept. 28, 2005; 72 FR 36788, July 5, 2007; 73 FR 73126, Dec. 1, 2008; 75 FR 59135, Sept. 27, 2010; 76 FR 26896, May 9, 2011; 76 FR 39018, July 5, 2011; 76 FR 68332, Nov. 4, 2011; 76 FR 75486, Dec. 2, 2011; 78 FR 17882, Mar. 25, 2013; 80 FR 22812, Apr. 23, 2015; 81 FR 70646, Oct. 13, 2016; 83 FR 22876, May 17, 2018; 83 FR 28781, June 21, 2018; 83 FR 48976, Sept. 28, 2018]
  17. Sept. 28, 2018 → Nov. 27, 2018eCFR, day-precisediff vs. previous
    [67 FR 49763, July 31, 2002, as amended at 70 FR 56593, Sept. 28, 2005; 72 FR 36788, July 5, 2007; 73 FR 73126, Dec. 1, 2008; 75 FR 59135, Sept. 27, 2010; 76 FR 26896, May 9, 2011; 76 FR 39018, July 5, 2011; 76 FR 68332, Nov. 4, 2011; 76 FR 75486, Dec. 2, 2011; 78 FR 17882, Mar. 25, 2013; 80 FR 22812, Apr. 23, 2015; 81 FR 70646, Oct. 13, 2016; 83 FR 22876, May 17, 2018; 83 FR 28781, June 21, 2018]
  18. June 21, 2018 → Sept. 28, 2018eCFR, day-precisediff vs. previous
    [67 FR 49763, July 31, 2002, as amended at 70 FR 56593, Sept. 28, 2005; 72 FR 36788, July 5, 2007; 73 FR 73126, Dec. 1, 2008; 75 FR 59135, Sept. 27, 2010; 76 FR 26896, May 9, 2011; 76 FR 39018, July 5, 2011; 76 FR 68332, Nov. 4, 2011; 76 FR 75486, Dec. 2, 2011; 78 FR 17882, Mar. 25, 2013; 80 FR 22812, Apr. 23, 2015; 81 FR 70646, Oct. 13, 2016; 83 FR 22876, May 17, 2018; 83 FR 28781, June 21, 2018]
  19. June 18, 2018 → June 21, 2018eCFR, day-precisediff vs. previous
    [67 FR 49763, July 31, 2002, as amended at 70 FR 56593, Sept. 28, 2005; 72 FR 36788, July 5, 2007; 73 FR 73126, Dec. 1, 2008; 75 FR 59135, Sept. 27, 2010; 76 FR 26896, May 9, 2011; 76 FR 39018, July 5, 2011; 76 FR 68332, Nov. 4, 2011; 76 FR 75486, Dec. 2, 2011; 78 FR 17882, Mar. 25, 2013; 80 FR 22812, Apr. 23, 2015; 81 FR 70646, Oct. 13, 2016; 83 FR 22876, May 17, 2018]
  20. May 17, 2018 → June 18, 2018eCFR, day-precisediff vs. previous
    [67 FR 49763, July 31, 2002, as amended at 70 FR 56593, Sept. 28, 2005; 72 FR 36788, July 5, 2007; 73 FR 73126, Dec. 1, 2008; 75 FR 59135, Sept. 27, 2010; 76 FR 26896, May 9, 2011; 76 FR 39018, July 5, 2011; 76 FR 68332, Nov. 4, 2011; 76 FR 75486, Dec. 2, 2011; 78 FR 17882, Mar. 25, 2013; 80 FR 22812, Apr. 23, 2015; 81 FR 70646, Oct. 13, 2016]
  21. June 5, 2017 → May 17, 2018eCFR, day-precisediff vs. previous
    [67 FR 49763, July 31, 2002, as amended at 70 FR 56593, Sept. 28, 2005; 72 FR 36788, July 5, 2007; 73 FR 73126, Dec. 1, 2008; 75 FR 59135, Sept. 27, 2010; 76 FR 26896, May 9, 2011; 76 FR 39018, July 5, 2011; 76 FR 68332, Nov. 4, 2011; 76 FR 75486, Dec. 2, 2011; 78 FR 17882, Mar. 25, 2013; 80 FR 22812, Apr. 23, 2015; 81 FR 70646, Oct. 13, 2016]
  22. May 23, 2017 → June 5, 2017eCFR, day-precisediff vs. previous
    [67 FR 49763, July 31, 2002, as amended at 70 FR 56593, Sept. 28, 2005; 72 FR 36788, July 5, 2007; 73 FR 73126, Dec. 1, 2008; 75 FR 59135, Sept. 27, 2010; 76 FR 26896, May 9, 2011; 76 FR 39018, July 5, 2011; 76 FR 68332, Nov. 4, 2011; 76 FR 75486, Dec. 2, 2011; 78 FR 17882, Mar. 25, 2013; 80 FR 22812, Apr. 23, 2015; 81 FR 70646, Oct. 13, 2016]
  23. March 21, 2017 → May 23, 2017eCFR, day-precisediff vs. previous
    [67 FR 49763, July 31, 2002, as amended at 70 FR 56593, Sept. 28, 2005; 72 FR 36788, July 5, 2007; 73 FR 73126, Dec. 1, 2008; 75 FR 59135, Sept. 27, 2010; 76 FR 26896, May 9, 2011; 76 FR 39018, July 5, 2011; 76 FR 68332, Nov. 4, 2011; 76 FR 75486, Dec. 2, 2011; 78 FR 17882, Mar. 25, 2013; 80 FR 22812, Apr. 23, 2015; 81 FR 70646, Oct. 13, 2016]
  24. Feb. 1, 2017 → March 21, 2017eCFR, day-precisediff vs. previous
    [67 FR 49763, July 31, 2002, as amended at 70 FR 56593, Sept. 28, 2005; 72 FR 36788, July 5, 2007; 73 FR 73126, Dec. 1, 2008; 75 FR 59135, Sept. 27, 2010; 76 FR 26896, May 9, 2011; 76 FR 39018, July 5, 2011; 76 FR 68332, Nov. 4, 2011; 76 FR 75486, Dec. 2, 2011; 78 FR 17882, Mar. 25, 2013; 80 FR 22812, Apr. 23, 2015; 81 FR 70646, Oct. 13, 2016]
  25. Jan. 1, 2017 → Feb. 1, 2017eCFR, day-precisediff vs. previous
    [67 FR 49763, July 31, 2002, as amended at 70 FR 56593, Sept. 28, 2005; 72 FR 36788, July 5, 2007; 73 FR 73126, Dec. 1, 2008; 75 FR 59135, Sept. 27, 2010; 76 FR 26896, May 9, 2011; 76 FR 39018, July 5, 2011; 76 FR 68332, Nov. 4, 2011; 76 FR 75486, Dec. 2, 2011; 78 FR 17882, Mar. 25, 2013; 80 FR 22812, Apr. 23, 2015; 81 FR 70646, Oct. 13, 2016]
  26. Oct. 1, 2015 → Jan. 1, 2017annual editions 2015–2016diff vs. previous
    [67 FR 49763, July 31, 2002, as amended at 70 FR 56593, Sept. 28, 2005; 72 FR 36788, July 5, 2007; 73 FR 73126, Dec. 1, 2008; 75 FR 59135, Sept. 27, 2010; 76 FR 26896, May 9, 2011; 76 FR 39018, July 5, 2011; 76 FR 68332, Nov. 4, 2011; 76 FR 75486, Dec. 2, 2011; 78 FR 17882, Mar. 25, 2013; 80 FR 22812, Apr. 23, 2015]
  27. Oct. 1, 2013 → Oct. 1, 2015annual editions 2013–2014diff vs. previous
    [67 FR 49763, July 31, 2002, as amended at 70 FR 56593, Sept. 28, 2005; 72 FR 36788, July 5, 2007; 73 FR 73126, Dec. 1, 2008; 75 FR 59135, Sept. 27, 2010; 76 FR 26896, May 9, 2011; 76 FR 39018, July 5, 2011; 76 FR 68332, Nov. 4, 2011; 76 FR 75486, Dec. 2, 2011; 78 FR 17882, Mar. 25, 2013]
  28. Oct. 1, 2012 → Oct. 1, 2013annual edition 2012diff vs. previous
    [67 FR 49763, July 31, 2002, as amended at 70 FR 56593, Sept. 28, 2005; 72 FR 36788, July 5, 2007; 73 FR 73126, Dec. 1, 2008; 75 FR 59135, Sept. 27, 2010; 76 FR 26896, May 9, 2011; 76 FR 39018, July 5, 2011; 76 FR 68332, Nov. 4, 2011; 76 FR 75486, Dec. 2, 2011]
  29. Oct. 1, 2011 → Oct. 1, 2012annual edition 2011diff vs. previous
    [67 FR 49763, July 31, 2002, as amended at 70 FR 56593, Sept. 28, 2005; 72 FR 36788, July 5, 2007; 73 FR 73126, Dec. 1, 2008; 75 FR 59135, Sept. 27, 2010; 76 FR 26896, May 9, 2011; 76 FR 39018, July 5, 2011]
  30. Oct. 1, 2010 → Oct. 1, 2011annual edition 2010diff vs. previous
    [67 FR 49763, July 31, 2002, as amended at 70 FR 56593, Sept. 28, 2005; 72 FR 36788, July 5, 2007; 73 FR 73126, Dec. 1, 2008]
  31. Oct. 1, 2009 → Oct. 1, 2010annual edition 2009diff vs. previous
    [67 FR 49763, July 31, 2002, as amended at 70 FR 56593, Sept. 28, 2005; 72 FR 36788, July 5, 2007; 73 FR 73126, Dec. 1, 2008]
  32. Oct. 1, 2007 → Oct. 1, 2009annual editions 2007–2008diff vs. previousviewing
    [67 FR 49763, July 31, 2002, as amended at 70 FR 56593, Sept. 28, 2005; 72 FR 36788, July 5, 2007]
  33. Oct. 1, 2005 → Oct. 1, 2007annual editions 2005–2006diff vs. previous
    [67 FR 49763, July 31, 2002, as amended at 70 FR 56593, Sept. 28, 2005]
  34. Oct. 1, 2002 → Oct. 1, 2005annual editions 2002–2004diff vs. previous
    [67 FR 49763, July 31, 2002]
  35. Oct. 1, 1998 → Oct. 1, 2002annual editions 1998–2001diff vs. previous
    [62 FR 37152, July 11, 1997]
  36. Oct. 1, 1996 → Oct. 1, 1998annual edition 1996

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.