20 CFR § 229.33
When a divorced spouse can be included in the computation of the overall minimum rate
February 18, 2021
A divorced spouse annuitant can be included in the computation of the overall minimum rate in the later of the month in which:
(1) The employee first is eligible for an increase in his or her annuity rate under the overall minimum, as shown in §229.22; or
(2) The divorced spouse annuity begins.