20 CFR § 225.43
PIA's subject to cost-of-living increases
February 18, 2021
The Retirement Tier I, Overall Minimum, Survivor Tier I, Employee RIB and RLS PIA's are adjusted for cost-of-living increases. The remaining PIA's described in subparts B and C of this part are frozen at the amounts determined under the Social Security Act as in effect on December 31, 1974.