terrorist incident, threat, or activity
Defined in 1 dictionary — U.S. Code
United States Code
26 U.S.C. § 6103 — for purposes of this section (21 versions over time)
The term "terrorist incident, threat, or activity" means an incident, threat, or activity involving an act of domestic terrorism (as defined in section 2331(5) of title 18, United States Code) or international terrorism (as defined in section 2331(1) of such title).