Okla. Admin. Code § 590:25-7-1
The deferred amount shall be delivered by the Employer to the Board to be invested in one or more of the following types of contracts or accounts issued or made available by a company or companies approved by the Board:
Amended at 12 Ok Reg 3249, eff 7-27-95
Amended at 13 Ok Reg 3333, eff 7-25-96
Amended at 15 Ok Reg 974, eff 12-8-97 (emergency)
Amended at 15 Ok Reg 3275, eff 7-13-98
Amended at 18 Ok Reg 552, eff 12-28-00 through 7-14-01 (emergency)
Amended at 18 Ok Reg 3266, eff 7-26-01
Amended at 39 Ok Reg 2080, eff 9-11-22