§ 397.203 Standards for determining preemption.
Current wording, first on file in the 1996 annual edition.
(a) Any highway routing designation established, maintained, or enforced by a State, political subdivision thereof, or Indian tribe is preempted if—
(1) Compliance with both the highway routing designation and any requirement under the Act or of a regulation issued under the Act is not possible;
(2) The highway routing designation as applied or enforced creates an obstacle to the accomplishment and execution of the Act or the regulations issued under the Act; or
(3) The highway routing designation is preempted pursuant to § 397.69(b) of this part.
(b) [Reserved]
[57 FR 44132, Sept. 24, 1992, as amended at 59 FR 51834, Oct. 12, 1994]
Amendment history
1 distinct wording on file since Oct. 1, 1996- [57 FR 44132, Sept. 24, 1992, as amended at 59 FR 51834, Oct. 12, 1994]
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.