157 Neb. Admin. Code, ch. 1, § 007
Display fireworks shall mean those materials manufactured exclusively for use in public exhibitions or displays of fireworks designed to produce visible or audible effects by combustion, deflagration or detonation. Display fireworks shall include, but not be limited to, firecrackers containing more than one hundred thirty milligrams (130 mg.) of explosive composition, aerial shells containing more than forty grams {40 g.) of explosive composition and other display pieces which exceed the limits for classification as common fireworks. Class B explosives as classified by the United States Department of Transportation shall be considered display fireworks. Display fireworks shall be considered an explosive as defined in section 28-1213 and shall be subject to sections 28-1213 to 28-1239, except that display fireworks may be purchased, received and discharged by the holder of an approved display permit issued pursuant to section 28-1239.01.
157 Neb. Admin. Code, ch. 1, § 007