If family composition changes after the first-considered date of offset, determine
a new TFB to calculate the benefit amounts after offset.
For information regarding changes in family composition, see DI 52150.070.
If a windfall elimination provision (WEP) PIA becomes effective prior to January 2024
and after the first-considered date of offset, a new TFB is effective with that change.
For more information about WEP, see RS 00605.360.