(a) On the demand of a fiduciary for whom a bank, trust company, or private banker is acting as custodian, the bank, trust company, or private banker shall identify in a written certification the securities deposited by the bank, trust company, or private banker with the federal reserve bank or in the clearing corporation for the account of the fiduciary.
(b) On the demand of a party, or the attorney of a party, to an accounting by a fiduciary or by a bank, trust company, or private banker that is acting as a fiduciary, a custodian, a custodian for a fiduciary, or a managing agent, the fiduciary, bank, trust company, or private banker shall identify in a written certification to the party the securities deposited by the fiduciary, bank, trust company, or private banker with the federal reserve bank or the clearing corporation.