6 U.S.C. § 488d: Theft reporting requirement

Any person who is required to comply with section 488a(e) of this title who has knowledge of the theft or unexplained loss of ammonium nitrate shall report such theft or loss to the appropriate Federal law enforcement authorities not later than 1 calendar day of the date on which the person becomes aware of such theft or loss. Upon receipt of such report, the relevant Federal authorities shall inform State, local, and tribal law enforcement entities, as appropriate.