Okla. Admin. Code § 310:257-3-13
Food employees shall clean their hands in a handwashing sink or approved automatic handwashing facility and may not clean their hands in a sink used for food preparation, warewashing, or in a service sink or a curbed cleaning facility used for the disposal of mop water and similar liquid waste.
Added at 23 Ok Reg 2358, eff 6-25-06
Amended at 38 Ok Reg 1947, eff 9-11-21