Wash. Rev. Code § 46.37.424
No person, firm, or corporation shall sell or offer for sale any regrooved tire or shall regroove any tire for use on the public highways of this state which does not meet the standard established by federal motor vehicle standard part 569-regrooved tires, as promulgated by the United States department of transportation under authority of the National Traffic and Motor Vehicle Safety Act of 1966 (80 Stat. 719, 728; 15 U.S.C. 1392, 1407).
The applicable standard shall be the version of the federal regrooved tire standard in effect at the time of regrooving.
It is a traffic infraction for any person, firm, or corporation to sell or offer for sale any regrooved tire or shall regroove any tire which does not meet the standards prescribed in this section unless such tires are sold or regrooved for off-highway use, as evidenced by a statement signed by the purchaser or regroover at the time of sale or regrooving certifying that he or she is not purchasing or regrooving such tires for use on the public highways of this state.
RCW 46.37.424
Effective date-Severability-1979 ex.s. c 136: See notes following RCW 46.63.010.
Severability-1977 ex.s. c 355: See note following RCW 46.37.010.