Under Title 29 CFR 4050.4 the diligent effort compliance requirement involves locating missing pension and benefit plan participants based on use of the participant's social security number (SSN). Having the SSN is very important because the entirety of the file chain is rooted in the SSN. Also having the SSN makes the commercial locator service [...]The post Understanding Nuances of Locating Missing Pension and Benefit Plan Participants Without a Social Security Number appeared first on APSCREEN.