Okla. Stat. tit. 6, § 6-301: Certificate of authority

From and after the passage of the Oklahoma Banking Code no

certificate of authority to engage in the banking or trust company

business in this state shall be issued, and no bank or trust company

or person shall be permitted to engage in such business within

Oklahoma except on certificate issued by the Commissioner upon

approval of the Board of an application for authority to organize a

state bank or trust company. The issuance of such certificate shall

be within the sole discretion of the Board.