; and (II) shall not be— (aa) commingled with the funds of the futures commission merchant; or (bb) used to margin, secure, or guarantee any trades or accounts of any customer or person other than the person for whom the money, assets, or property are held. (C) Exceptions (i) Use of funds (I) In general Notwithstanding subparagraph (B), money, assets, and property of a crypto asset customer may, for the purposes described in subclause (II), be commingled and deposited in the same account or accounts with an entity described in paragraph (1)(B). (II) Withdrawal Notwithstanding subparagraph (B), the share of the money, assets, and property described in subclause (I) as in the normal course of business is necessary to margin, guarantee, secure, transfer, adjust, or settle a crypto asset transaction with a registered entity may be withdrawn and applied to those purposes, including the payment of commissions, brokerage, interest, taxes, storage, and other charges, lawfully accruing in connection with the crypto asset transaction. (ii) Commission action Notwithstanding subparagraph (B), in accordance with such terms and conditions as the Commission may prescribe by rule or order, any money, assets, or property of a crypto asset customer may be commingled and deposited in customer accounts with any other money, assets, or property received by the futures commission merchant and required by the Commission to be separately accounted for and treated and dealt with as belonging to the crypto asset customer. (D) Permitted investments Money of a crypto asset customer may be invested— (i) in— (I) obligations of the United States; (II) general obligations of any State or of any political subdivision of a State that are investment-grade; (III) obligations fully guaranteed as to principal and interest by the United States; or (IV) any other investment that the Commission may by rule prescribe