Historical textIn force on Oct. 1, 1998Source: annual CFR editions 1998–1999
§ 390.405 Size, shape, and color.
Wording first on file in the 1998 annual edition, superseded by the 2000 annual edition. The section was then removed.
Before Jan. 1, 2017 the record is one snapshot per annual CFR edition, revised as of October 1. This is the 1998 edition's wording. An amendment that took effect between Oct. 1, 1998 and Oct. 1, 1998 would not appear until the next edition, so check the citations below and the Federal Register for exact effective dates.
49 CFR § 390.405 — Size, shape, and color.. Text in force on October 1, 1998. This wording effective October 1, 1998 to October 1, 2000. Source: govinfo, 1998 edition, https://www.govinfo.gov/app/details/CFR-1998-title49-vol4/CFR-1998-title49-vol4-sec390-405. Retrieved from FMCSR.com, https://fmcsr.com/reg/390.405?asof=1998-10-01, on October 26, 2026. Unofficial compilation; verify against the official source.
The name(s) and number(s) prescribed above shall be displayed, by removable device if desired, in letters and figures in sharp color contrast to their background, and they shall be of a size, shape, and color readily legible in daylight from a distance of 50 feet while the vehicle is stationary.
Amendment history
1 distinct wording on file since Oct. 1, 1998A 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.