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Current textSource: eCFR

§ 384.301 Substantial compliance-general requirements.

Current wording, effective July 21, 2026.

eCFR (current) ↗
What changedJan. 1, 2017 wording → July 21, 2026 wording (current)+653 added−175 removedHide

Link(a) to an amendment published at 81 FR 88803Compliance, Decgenerally. 8, 2016.
(a) To be in substantial compliance with 49 U.S.C. 31311(a), athe 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) ACommercial driver's license program improvements and noncommercial motor vehicle violations. Except as provided in paragraph (b)(2) of this section, a State must come into substantial compliance with the49 requirementsCFR ofpart 384, subpart B of(revised this part in effect as of SeptemberOct. 301, 2002) as soon as practical, but, unless otherwise specifically provided in this part, not later than September 30, 2005.
(2) ExceptionSchool bus endorsement exception. A State must come into substantial compliance with 49 CFR 383.123 (revised as of Oct. 1, 2002) not later than September 30, 2006.
(c) Safe, Accountable, Flexible, Efficient Transportation Equity Act: A Legacy for User (SAFETEA-LU). A State must come into substantial compliance with the49 requirementsCFR ofpart 384, subpart B of(revised this part in effect as of SeptemberOct. 41, 2007) as soon as practical but, unless otherwise specifically provided in this part, not later than September 4, 2010.
(d) Commercial driver's license medical certification requirements. A State must come into substantial compliance with the49 requirementsCFR ofpart 384, subpart B of(revised this part in effect as of JanuaryOct. 301, 2009), as soon as practical, but not later than January 30, 2012.
(e) Limiting the use of wireless communication devices. A State must come into substantial compliance with the49 requirementsCFR ofpart 384, subpart B (revised as of thisOct. part1, 2010, as amended at 75 FR 59118, 59135, in effect as of OctoberOct. 27, 2010) as soon as practical, but not later than October 28, 2013.
(f) Commercial driver's license testing and commercial learner's permit standards. A State must come into substantial compliance with the49 requirementsCFR ofpart 384, subpart B (revised as of thisOct. 1, 2011), and 49 CFR part in384, effectsubpart B (revised as of JulyOct. 81, 20112012, andas Aprilamended at 78 FR 17875, 17881, in effect as of Apr. 24, 2013) as soon as practical but, unless otherwise specifically provided in this part, not later than July 8, 2015.
(g) Commercial driver's license information system state procedures manual. A State must come into substantial compliance with the49 requirementsCFR ofpart 384, subpart B (revised as of thisOct. part1, which2011, isas effectiveamended at 76 FR 68328, 68332, in effect as of DecemberDec. 5, 2011,) as soon as practicable, but not later than January 30, 2012.
(h) Restricting the use of cellular phones for commercial motor vehicle drivers. A State must come into substantial compliance with the49 requirementsCFR ofpart 384, subpart B (revised as of thisOct. part1, 2011, as amended at 76 FR 68328, 68332 and further amended at 76 FR 75470, 75486, in effect as of JanuaryJan. 3, 2012) as soon as practical, but not later than January 3, 2015.
(i) Medical examiner's certification integration. A State must come into substantial compliance with the requirements of 49 CFR parts 383 and 384, subpart B (revised as of Oct. 1, 2015) as soon as practical, but, unless otherwise specifically provided in this part, not later than June 23, 2025.
(j) Commercial driver's license requirements of the Moving Ahead for Progress in the 21st Century Act and partthe Military Commercial Driver's License Act of 2012. A State must come into substantial compliance with 49 CFR parts 383 and 384, subpart B (revised as of thisOct. chapter1, 2016, as amended at 81 FR 70634, 70646, in effect as of JuneDec. 2212, 20152016) as soon as practicalpracticable, but, unless otherwise specifically provided in this part, not later than JuneDecember 2212, 20182019.
(jk) Minimum training requirements for entry-level commercial vehicle operators. A State must come into substantial compliance with the49 requirementsCFR ofparts 383 and 384, subpart B (revised as of thisOct. part1, 2017) not later than February 7, 2022.
(l) Military licensing and state commercial driver's license reciprocity. A State must come into substantial compliance with 49 CFR part 384, subpart B (revised as of Oct. 1, 2019) and 49 CFR parts 383 (revised as of thisOct. chapter1, 2018, as amended at 83 FR 48964, 48975, in effect as of DecemberNov. 1227, 20162018) as soon as practicable, but, unless otherwise specifically provided in this part, not later than DecemberNovember 1227, 20192021.
[67(m) FRLifetime 49763disqualification for human trafficking. A State must come into substantial compliance with 49 CFR part 383 (revised as of Oct. 1, July2021) 31as of September 23, 20022019, or as amendedsoon atas 70practicable, FRbut 56593not later than September 23, Sept2022.
(n) 28Exclusively electronic exchange of driver history record information. A State must come into substantial compliance with the requirements of 49 CFR parts 383 and 384, 2005;subpart 72B FR(revised 36788as of Oct. 1, July2022) 5as soon as practicable, 2007;but 73not FRlater 73126than August 22, Dec2024.
(o) State driver's licensing agency non-issuance/downgrade of commercial driver's license related to controlled substances and alcohol testing. A State must come into substantial compliance with the requirements of 49 CFR part 384, subpart B (revised as of Oct. 1, 2008;2024) 75as FRsoon 59135as practicable, Sept.but, 27unless otherwise specifically provided in this part, 2010;not 76later FRthan 26896November 18, May2024.
(p) 9State procedures manual. A State must come into substantial compliance with the requirements of 49 CFR part 384, 2011;subpart 76B FR(revised 39018as of Oct. 1, July2024) 5as soon as practicable, 2011;but 76not FRlater 68332than August 22, Nov2024.
(q) 4Non-domiciled commercial driver's licenses. A State must come into substantial compliance with the requirements of subpart B of this part, 2011;in 76effect FRas 75486of February 13, Dec.2026, 2and part 383 of this chapter, 2011;in 78effect FRas 17882of February 13, Mar.2026, 25prior to issuing (which includes amending, 2013;correcting, 80reprinting, FRor 22812otherwise duplicating a previously issued CLP or CDL), Apr.transferring, 23renewing, 2015;or 81upgrading a non-domiciled CLP or CDL.
[67 FR 7064649763, Oct.July 1331, 20162002]
Editorial Note:
For Federal Register citations affecting § 384.301, see the List of CFR Sections Affected, which appears in the Finding Aids section of the printed volume and at www.govinfo.gov.

49 CFR § 384.301 — Substantial compliance-general requirements.. Text current through October 15, 2026. This wording effective July 21, 2026 to present. Source: eCFR (current), https://www.ecfr.gov/current/title-49/section-384.301. Retrieved from FMCSR.com, https://fmcsr.com/reg/384.301, on October 26, 2026. Unofficial compilation; verify against the official source.

(a) Compliance, generally. To be in substantial compliance with 49 U.S.C. 31311(a), the 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) Commercial driver's license program improvements and noncommercial motor vehicle violations. Except as provided in paragraph (b)(2) of this section, a State must come into substantial compliance with 49 CFR part 384, subpart B (revised as of Oct. 1, 2002) as soon as practical, but, unless otherwise specifically provided in this part, not later than September 30, 2005.

(2) School bus endorsement exception. A State must come into substantial compliance with 49 CFR 383.123 (revised as of Oct. 1, 2002) not later than September 30, 2006.

(c) Safe, Accountable, Flexible, Efficient Transportation Equity Act: A Legacy for User (SAFETEA-LU). A State must come into substantial compliance with 49 CFR part 384, subpart B (revised as of Oct. 1, 2007) as soon as practical but, unless otherwise specifically provided in this part, not later than September 4, 2010.

(d) Commercial driver's license medical certification requirements. A State must come into substantial compliance with 49 CFR part 384, subpart B (revised as of Oct. 1, 2009), as soon as practical, but not later than January 30, 2012.

(e) Limiting the use of wireless communication devices. A State must come into substantial compliance with 49 CFR part 384, subpart B (revised as of Oct. 1, 2010, as amended at 75 FR 59118, 59135, in effect as of Oct. 27, 2010) as soon as practical, but not later than October 28, 2013.

(f) Commercial driver's license testing and commercial learner's permit standards. A State must come into substantial compliance with 49 CFR part 384, subpart B (revised as of Oct. 1, 2011), and 49 CFR part 384, subpart B (revised as of Oct. 1, 2012, as amended at 78 FR 17875, 17881, in effect as of Apr. 24, 2013) as soon as practical but, unless otherwise specifically provided in this part, not later than July 8, 2015.

(g) Commercial driver's license information system state procedures manual. A State must come into substantial compliance with 49 CFR part 384, subpart B (revised as of Oct. 1, 2011, as amended at 76 FR 68328, 68332, in effect as of Dec. 5, 2011) as soon as practicable, but not later than January 30, 2012.

(h) Restricting the use of cellular phones for commercial motor vehicle drivers. A State must come into substantial compliance with 49 CFR part 384, subpart B (revised as of Oct. 1, 2011, as amended at 76 FR 68328, 68332 and further amended at 76 FR 75470, 75486, in effect as of Jan. 3, 2012) as soon as practical, but not later than January 3, 2015.

(i) Medical examiner's certification integration. A State must come into substantial compliance with the requirements of 49 CFR parts 383 and 384, subpart B (revised as of Oct. 1, 2015) as soon as practical, but, unless otherwise specifically provided in this part, not later than June 23, 2025.

(j) Commercial driver's license requirements of the Moving Ahead for Progress in the 21st Century Act and the Military Commercial Driver's License Act of 2012. A State must come into substantial compliance with 49 CFR parts 383 and 384, subpart B (revised as of Oct. 1, 2016, as amended at 81 FR 70634, 70646, in effect as of Dec. 12, 2016) as soon as practicable, but, unless otherwise specifically provided in this part, not later than December 12, 2019.

(k) Minimum training requirements for entry-level commercial vehicle operators. A State must come into substantial compliance with 49 CFR parts 383 and 384, subpart B (revised as of Oct. 1, 2017) not later than February 7, 2022.

(l) Military licensing and state commercial driver's license reciprocity. A State must come into substantial compliance with 49 CFR part 384, subpart B (revised as of Oct. 1, 2019) and 49 CFR parts 383 (revised as of Oct. 1, 2018, as amended at 83 FR 48964, 48975, in effect as of Nov. 27, 2018) as soon as practicable, but, unless otherwise specifically provided in this part, not later than November 27, 2021.

(m) Lifetime disqualification for human trafficking. A State must come into substantial compliance with 49 CFR part 383 (revised as of Oct. 1, 2021) as of September 23, 2019, or as soon as practicable, but not later than September 23, 2022.

(n) Exclusively electronic exchange of driver history record information. A State must come into substantial compliance with the requirements of 49 CFR parts 383 and 384, subpart B (revised as of Oct. 1, 2022) as soon as practicable, but not later than August 22, 2024.

(o) State driver's licensing agency non-issuance/downgrade of commercial driver's license related to controlled substances and alcohol testing. A State must come into substantial compliance with the requirements of 49 CFR part 384, subpart B (revised as of Oct. 1, 2024) as soon as practicable, but, unless otherwise specifically provided in this part, not later than November 18, 2024.

(p) State procedures manual. A State must come into substantial compliance with the requirements of 49 CFR part 384, subpart B (revised as of Oct. 1, 2024) as soon as practicable, but not later than August 22, 2024.

(q) Non-domiciled commercial driver's licenses. A State must come into substantial compliance with the requirements of subpart B of this part, in effect as of February 13, 2026, and part 383 of this chapter, in effect as of February 13, 2026, prior to issuing (which includes amending, correcting, reprinting, or otherwise duplicating a previously issued CLP or CDL), transferring, renewing, or upgrading a non-domiciled CLP or CDL.

[67 FR 49763, July 31, 2002]

Editorial Note:

For Federal Register citations affecting § 384.301, see the List of CFR Sections Affected, which appears in the Finding Aids section of the printed volume and at www.govinfo.gov.

Amendment history

36 distinct wordings on file since Oct. 1, 1996
  1. July 21, 2026 → presenteCFR, day-precisediff vs. previousviewing
    [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. previous
    [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. Set a case date in the header to read any earlier wording.