StacksVerified U.S. regulatory reference

10 CFR §150.21

Verified against eCFR.gov as of June 20, 2026View official text on eCFR.gov
Except as specifically approved by the Commission no shipment of special nuclear material in excess of 20 grams or 20 curies whichever is less of plutonium or uranium-233 shall be made by a licensee of an Agreement State in passenger aircraft.