A Participant shall at all times be vested at one hundred percent (100%) in his or her account containing solely the Participant's contributions, and the investment gains and losses on those contributions. A Participant shall be vested in the Employer's matching contributions, and the gains and losses on those contributions, in accordance with the vesting schedule set forth in 590:40-5-15. All matching Employer contributions, and the investment gains and losses on those contributions, in the Participant's Account that are not vested at the time the Participant terminates participation in the Plan shall be subject to forfeiture in accordance with 590:40-5-16(c).
Okla. Admin. Code § 590:40-7-21