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.