260.11b-4—Definition of “cash transaction” in section 311(b)(4).

The term “cash transaction”, as used in section 311(b)(4), means any transaction in which full payment for goods or securities sold is made within 7 days after delivery of the goods or securities in currency or in checks or other orders drawn upon banks or bankers and payable upon demand.

CFR

260.11b-4—Definition of “cash transaction” in section 311(b)(4).