20 C.F.R. § 225.52 Reasons for recomputing a PIA.
Title 20 - Employees' Benefits
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.
Title 20: Employees' Benefits
PART 225—PRIMARY INSURANCE AMOUNT DETERMINATIONS
Subpart F—Recomputing PIA's
§ 225.52 Reasons for recomputing a PIA.
