31 CFR § 1010.505 - Definitions.
For purposes of this subpart E, the following definitions apply:
(a) Account means a formal banking or business relationship established to provide regular services, dealings, and other financial transactions, and includes, but is not limited to, a demand deposit, savings deposit, or other transaction or asset account and a credit account or other extension of credit.
(c) Terrorist activity means an act of domestic terrorism or international terrorism as those terms are defined in 18 U.S.C. 2331.
(1) Except as provided in paragraph (d)(2) of this section, the term “transaction” shall have the same meaning as provided in § 1010.100(bbb).