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Reading the regulations as they stood on June 22, 2023. Current text may differ.Switch to current
Current textIn force on June 22, 2023Source: eCFR

§ 372.243 Controlling distances and population data.

Current wording, first on file in the 1998 annual edition.

eCFR as of June 22, 2023 ↗
49 CFR § 372.243 — Controlling distances and population data.. Text in force on June 22, 2023. This wording effective October 1, 1998 to present. Source: eCFR as of June 22, 2023, https://www.ecfr.gov/on/2023-06-22/title-49/section-372.243. Retrieved from FMCSR.com, https://fmcsr.com/reg/372.243?asof=2023-06-22, on October 26, 2026. Unofficial compilation; verify against the official source.

In the application of § 372.241:

(a) Air-line distances or mileages about corporate limits of municipalities shall be used.

(b) The population of any municipality shall be deemed to be the highest figure shown for that municipality in any decennial census since (and including) the 1940 decennial census.

(c) Contraction of municipal boundaries will not alter the size of commercial zones.

[32 FR 20040, Dec. 20, 1967, as amended at 37 FR 15701, Aug. 4, 1972; 50 FR 10233, Mar. 14, 1985; 62 FR 15422, Apr. 1, 1997]

Amendment history

1 distinct wording on file since Oct. 1, 1998
  1. Oct. 1, 1998 → presentannual editions 1998–2016viewing
    [32 FR 20040, Dec. 20, 1967, as amended at 37 FR 15701, Aug. 4, 1972; 50 FR 10233, Mar. 14, 1985; 62 FR 15422, Apr. 1, 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.