designates one or more trustees or custodians, each of which is a bank, and provides that each such trustee or custodian shall have at all times an aggregate capital, surplus, and undivided profits of a specified minimum amount, which shall not be less than $500,000 (but may also provide, if such trustee or custodian publishes reports of condition at least annually, pursuant to law or to the requirements of its supervising or examining authority, that for the purposes of this paragraph the aggregate capital, surplus, and undivided profits of such trustee or custodian shall be deemed to be its aggregate capital, surplus, and undivided profits as set forth in its most recent report of condition so published);

provides, in substance, (A) that during the life of the trust the trustee or custodian, if not otherwise remunerated, may charge against and collect from the income of the trust, and from the corpus thereof if no income is available, such fees for its services and such reimbursement for its expenses as are provided for in such instrument; (B) that no such charge or collection shall be made except for services theretofore performed or expenses theretofore incurred; (C) that no payment to the depositor of or a principal underwriter for such trust, or to any affiliated person or agent of such depositor or underwriter, shall be allowed the trustee or custodian as an expense (except that provision may be made for the payment to any such person of a fee, not exceeding such reasonable amount as the Commission may prescribe as compensation for performing bookkeeping and other administrative services, of a character normally performed by the trustee or custodian itself); and (D) that the trustee or custodian shall have possession of all securities and other property in which the funds of the trust are invested, all funds held for such investment, all equalization, redemption, and other special funds of the trust, and all income upon, accretions to, and proceeds of such property and funds, and shall segregate and hold the same in trust (subject only to the charges and collections allowed under clauses (A), (B), and (C) of this paragraph) until distribution thereof to the security holders of the trust;