N.D. Cent. Code § 15-39.1-10.5: Postretirement adjustments

An individual who on June 30, 1989, is receiving monthly benefits from the fund on an account paid under this chapter or under former chapter 15-39 is entitled to receive an increase in benefits equal to five cents times the individual's number of years of service credit under the fund times the number of years the individual has drawn benefits from the fund.