20 CFR § 225.52
Reasons for recomputing a PIA
February 18, 2021
There are three major reasons for recomputing a PIA:
(a) Recomputation to consider additional earnings.
(b) Recomputation when an employee is eligible for periodic pension payments based on other than railroad or social security earnings.
(c) Recomputation to use a new or different PIA formula, as provided in section 215(f) of the Social Security Act.