12 CFR § 220.6 - Good faith account.
(a) Securities entitled to good faith margin -
(1) Permissible transactions. A creditor may effect and finance transactions involving the buying, carrying, or trading of any security entitled to “good faith” margin as set forth in § 220.12 (the Supplement).
(2) Required margin. The required margin is set forth in § 220.12 (the Supplement).
(3) Satisfaction of margin. Required margin may be satisfied by a transfer from the special memorandum account or by a deposit of cash, securities entitled to “good faith” margin as set forth in § 220.12 (the Supplement), any other asset that is not a security, or any combination thereof. An asset that is not a security shall have a margin value determined by the creditor in good faith.
(1) A purchase or sale of a security in one market together with an offsetting sale or purchase of the same security in a different market at as nearly the same time as practicable for the purpose of taking advantage of a difference in prices in the two markets; or
(2) A purchase of a security which is, without restriction other than the payment of money, exchangeable or convertible within 90 calendar days of the purchase into a second security together with an offsetting sale of the second security at or about the same time, for the purpose of taking advantage of a concurrent disparity in the prices of the two securities.
(d) Credit to ESOPs. A creditor may extend and maintain credit to employee stock ownership plans without regard to the other provisions of this part.
(e) Nonpurpose credit.
(1) A creditor may:
(i) Effect and carry transactions in commodities;
(ii) Effect and carry transactions in foreign exchange;
(iii) Extend and maintain secured or unsecured nonpurpose credit, subject to the requirements of paragraph (e)(2) of this section.
(2) Every extension of credit, except as provided in paragraphs (e)(1)(i) and (e)(1)(ii) of this section, shall be deemed to be purpose credit unless, prior to extending the credit, the creditor accepts in good faith from the customer a written statement that it is not purpose credit. The statement shall conform to the requirements established by the Board.