Okla. Stat. tit. 74, § 74-918.1: Distribution of benefits

A. All benefits paid from the Oklahoma Public Employees

Retirement System shall be distributed in accordance with the

requirements of Section 401(a)(9) of the federal Internal Revenue

Code and the regulations under that section. In order to meet these

requirements, the System shall be administered in accordance with

the following provisions:

1. Distributions of a member's benefit must begin no later than

the date required by Section 401 of the federal Internal Revenue

Code;

2. The life expectancy of a member or a member's spouse may not

be recalculated after the benefits commence;

3. If a member dies before the distribution of the member's

benefits has begun, distributions to beneficiaries must begin no

later than December 31 of the calendar year immediately following

the calendar year in which the member died; and

4. The amount of benefits payable to a member's joint annuitant

or beneficiary may not exceed the maximum determined under the

incidental death benefit requirement of the federal Internal Revenue

Code.

B. Distributions from the System may be made only upon

retirement, separation from service, disability or death.