Okla. Stat. tit. 6, § 6-1006: Separation of books and accounts - Labeling securities -

Prohibited operations of banks and trust companies having trust

powers.

A. Separation of books and accounts. Every bank having trust

powers and every trust company shall establish and maintain in its

office a trust department, in which shall be kept separate and apart

from its other business separate books and accounts, and shall keep

all moneys, funds, investments and property of the department at all

times segregated from and unmingled with other funds, moneys,

investments and property.

B. Labeling of securities. All bonds, warrants, notes,

mortgages, deeds and other securities of every nature shall be so

marked, stamped, labeled or otherwise identified and segregated as

to indicate the department of which such securities are a part.

C. Prohibited operations of banks and trust companies having

trust powers. No bank shall receive in its trust department and no

trust company shall receive deposits of current funds subject to

check or the deposit of checks, drafts, bills of exchange or other

items for collection or exchange purposes. Funds deposited or held

in trust by the bank or trust company awaiting investment shall be

carried in a separate account and shall not be used by the bank or

trust company in the conduct of its business unless it shall first

set aside in the trust department United States bonds or other

securities approved by the Commissioner. Funds awaiting investment

may only be so deposited for a short time, not to exceed one (1)

year.