Okla. Stat. tit. 36, § 36-1165: Participation in employer sponsored health plan - Retired

military employees.

No employer shall require any employee who is retired from a

branch of the United States military and has been provided with

health coverage through a federal plan to participate in employer-

sponsored health insurance coverage if the health insurance coverage

requires a contribution from the employee. The employee shall

provide to the employer before the beginning of each plan year proof

of that coverage.