Okla. Admin. Code § 310:257-7-29
The dispensing compartment of a vending machine including a machine that is designed to vend prepackaged snack food that is not Time/Temperature Control for Safety Food such as chips, party mixes, and pretzels shall be equipped with a self-closing door or cover if the machine is:
Added at 23 Ok Reg 2358, eff 6-25-06
Amended at 28 Ok Reg 2289, eff 11-1-11