Okla. Admin. Code § 735:20-1-4
Financial institutions accepting funds on deposit from public entities under the Security for Local Public Deposits Act, must transfer collateral securities to a safekeeping bank and/or provide collateral instruments to the public entity prior to receiving said funds. Financial institutions retain a right to substitute and withdraw collateral securities, and collateral instruments if:
Added at 16 Ok Reg 1275, eff 5-13-99
Amended at 18 Ok Reg 2857, eff 7-1-01