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 J—Exclusion and Exemption of Nonroad Engines from Regulations (§90.901 to §90.913) > 90.904—Who may request an exemption.

90.904—Who may request an exemption.

(a) Any person may request a testing exemption under § 90.905.
(b) Any nonroad engine manufacturer may request a national security exemption under § 90.908.
(c) For nonroad engine manufacturers, nonroad engines manufactured for export purposes are exempt without application, subject to the provisions of § 90.909.
(d) For eligible manufacturers, as determined by § 90.906, manufacturer-owned nonroad engines are exempt without application, subject to the provisions of § 90.906.
(e) For any person, display nonroad engines are exempt without application, subject to the provisions of § 90.907.