Okla. Stat. tit. 6, § 423

Upon written notice to the Commissioner, any bank may establish one or more operations centers on property owned or leased by the bank. For purposes of this section, "operations center" means a bank facility separated from the main office of the bank at which only the following bank operations are conducted: computer processing, information systems, electronic communications, loan payment processing, bookkeeping, item processing, currency and coin processing and storage, data processing, and all support functions related thereto.