Okla. Admin. Code § 310:410-3-43
The vendor shall send all notices to the department by certified mail at the address listed in the WIC vendor agreement.
Added at 10 Ok Reg 4203, eff 8-1-93 (emergency)
Added at 11 Ok Reg 3823, eff 7-11-94
Amended at 22 Ok Reg 741, eff 5-12-05