Okla. Stat. tit. 6, § 6-1712: Principal office

A. Each state trust company shall have and continuously

maintain a principal office in this state.

B. Each executive officer at the principal office shall be an

agent of the state trust company for service of process.

C. A state trust company may change its principal office to any

location within this state by filing a written notice with the

Commissioner setting forth the name of the state trust company, the

street address of its principal office before the change, the street

address to which the principal office is to be changed, and a copy

of the resolution adopted by the board authorizing the change.

D. The change of principal office shall take effect on the

thirty-first day after the date the Commissioner receives the notice

pursuant to subsection C of this section. However, the Commissioner

may establish an earlier or later date or may, prior to such day,

notify the state trust company that it must establish to the

satisfaction of the Commissioner that the relocation is consistent

with the original determination for the establishment of a state

trust company at that location, in which event the change of

principal office shall take effect when approved by the

Commissioner.