CFR > Title 40 - Protection of Environment > CHAPTER I—ENVIRONMENTAL PROTECTION AGENCY > SUBCHAPTER C—AIR PROGRAMS (Parts 50–99) > PART 90—CONTROL OF EMISSIONS FROM NONROAD SPARK-IGNITION ENGINES AT OR BELOW 19 KILOWATTS > SUBPART F—Selective Enforcement Auditing (§90.501 to §90.516) > 90.501—Applicability.

90.501—Applicability.

The requirements of subpart F shall be applicable to all nonroad engines and vehicles subject to the provisions of subpart A of part 90.