§FMCSR.com
Current textSource: eCFR

§ 350.301 Compatibility review: Purpose.

Current wording, effective November 18, 2024.

eCFR (current) ↗
What changedOct. 1, 2000 wording → Nov. 18, 2024 wording (current)+77 added−128 removedHide

(a) The Statepurpose must maintain the average aggregate expenditure (monies spent during the base period of Federalthis orsubpart Stateis fiscalto yearsassist 1997,States 1998,receiving andMCSAP 1999) of State funds forto motoraddress carriercompatibility and(as highwaydefined hazardousin materials§ safety enforcement purposes350.105), inincluding the yearavailability in which the grant is sought.
(b) Determination of avariances State'sor levelexemptions ofallowed effortunder must§ not350.305 includeor the§ following350.307, three thingsto:
(1a) FederalPromote fundsadoption receivedand forenforcement support of motorcompatible carrierlaws, regulations, standards, and hazardousorders materialson safetyCMV enforcement.safety;
(2b) StateProvide matchingfor funds.
(3)a Statecontinuous fundsreview usedof forlaws, federallyregulations, sponsoredstandards, demonstrationand ororders piloton CMV safety programs.;
(c) TheEstablish Statedeadlines mustfor includeStates costs associated with activities performed during the base period by State or local agencies currently receiving or projected to receiveachieve fundscompatibility; underand
(d) thisProvide part.States Itwith musta includeprocess onlyfor thoserequesting activitiesvariances whichand meetexemptions the current requirements for fundingintrastate eligibility under the grant programcommerce.

49 CFR § 350.301 — Compatibility review: Purpose.. Text current through October 22, 2026. This wording effective November 18, 2024 to present. Source: eCFR (current), https://www.ecfr.gov/current/title-49/section-350.301. Retrieved from FMCSR.com, https://fmcsr.com/reg/350.301, on October 26, 2026. Unofficial compilation; verify against the official source.

The purpose of this subpart is to assist States receiving MCSAP funds to address compatibility (as defined in § 350.105), including the availability of variances or exemptions allowed under § 350.305 or § 350.307, to:

(a) Promote adoption and enforcement of compatible laws, regulations, standards, and orders on CMV safety;

(b) Provide for a continuous review of laws, regulations, standards, and orders on CMV safety;

(c) Establish deadlines for States to achieve compatibility; and

(d) Provide States with a process for requesting variances and exemptions for intrastate commerce.

Amendment history

6 distinct wordings on file since Oct. 1, 2000
  1. Nov. 18, 2024 → presenteCFR, day-precisediff vs. previousviewing
  2. July 24, 2020 → Nov. 18, 2024eCFR, day-precisediff vs. previous
  3. Jan. 1, 2017 → July 24, 2020eCFR, day-precisediff vs. previous
    [81 FR 71014, Oct. 14, 2016]
  4. Oct. 1, 2013 → Jan. 1, 2017annual editions 2013–2016diff vs. previous
    [65 FR 15102, Mar. 21, 2000, as amended at 72 FR 36770, July 5, 2007; 78 FR 60231, Oct. 1, 2013]
  5. Oct. 1, 2007 → Oct. 1, 2013annual editions 2007–2012diff vs. previous
    [65 FR 15102, Mar. 21, 2000, as amended at 72 FR 36770, July 5, 2007]
  6. Oct. 1, 2000 → Oct. 1, 2007annual editions 2000–2006

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.