Okla. Stat. tit. 6, § 6-426: Agency relationships between subsidiary banks

A. Any bank subsidiary of a bank holding company may receive

deposits, renew time deposits, close loans, service loans, and

receive payments on loans and other obligations as an agent for any

other bank owned or controlled by the same bank holding company.

B. Despite any other provision of law, a bank acting as an

agent in accordance with subsection A of this section for an

affiliate shall not be considered a branch of the affiliate.

C. An agency relationship between subsidiary banks pursuant to

subsection A of this section shall be on terms that are consistent

with safe and sound banking practice and all applicable regulations

of any appropriate bank regulatory agency.