Pub. L. 88-643, tit. II, pt. D, sec. 236
limitation on number of retirements
limitation on number of retirements Sec. 236. The number of participants retiring on an annuity pursuant to sections 233, 234, and 235 of this Act shall not exceed a total of four hundred during the period ending on June 30, 1969, nor a total of four hundred during the period beginning on July 1, 1969, and ending on June 30, 1974.