[Code of Federal Regulations]
[Title 40, Volume 15]
[Revised as of July 1, 2003]
From the U.S. Government Printing Office via GPO Access
[CITE: 40CFR85.501]

[Page 518]
 
                   TITLE 40--PROTECTION OF ENVIRONMENT
 
         CHAPTER I--ENVIRONMENTAL PROTECTION AGENCY (CONTINUED)
 
PART 85--CONTROL OF AIR POLLUTION FROM MOBILE SOURCES--Table of Contents
 
     Subpart F--Exemption of Aftermarket Conversions From Tampering 
                               Prohibition
 
Sec. 85.501  General applicability.

    Source: 59 FR 48490, Sept. 21, 1994, unless otherwise noted.


    (a) Sections 85.502 through 85.505 are applicable to aftermarket 
conversion systems for which an enforcement exemption is sought from the 
tampering prohibitions contained in section 203 of the Act.
    (b) References in this subpart to engine families and emission 
control systems shall be deemed to apply to durability groups and test 
groups as applicable for manufacturers certifying new light-duty 
vehicles, light-duty trucks, and Otto-cycle complete heavy-duty vehicles 
under the provisions of 40 CFR part 86, subpart S.

[65 FR 59943, Oct. 6, 2000]