Historical textIn force on Sept. 30, 2000Source: annual CFR editions 1996–2004
§ 393.9 Lamps operable.
Wording first on file in the 1996 annual edition, superseded by the 2005 annual edition.
Before Jan. 1, 2017 the record is one snapshot per annual CFR edition, revised as of October 1. This is the 1999 edition's wording. An amendment that took effect between Oct. 1, 1999 and Sept. 30, 2000 would not appear until the next edition, so check the citations below and the Federal Register for exact effective dates.
49 CFR § 393.9 — Lamps operable.. Text in force on September 30, 2000. This wording effective October 1, 1996 to October 1, 2005. Source: govinfo, 1999 edition, https://www.govinfo.gov/app/details/CFR-1999-title49-vol4/CFR-1999-title49-vol4-sec393-9. Retrieved from FMCSR.com, https://fmcsr.com/reg/393.9?asof=2000-09-30, on October 26, 2026. Unofficial compilation; verify against the official source.
All lamps required by this subpart shall be capable of being operated at all times.
(49 U.S.C. 304, 1655; 49 CFR 1.48(b) and 301.60)
[47 FR 47837, Oct. 28, 1982]
Amendment history
2 distinct wordings on file since Oct. 1, 1996- [70 FR 48027, Aug. 15, 2005]
- [47 FR 47837, Oct. 28, 1982]
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.