This document is about the procedures and guidance for the Employee Benefits Security Administration (EBSA) to conduct investigations of prohibited persons under Section 411 of the Employee Retirement Income Security Act (ERISA). It covers the two types of prohibited persons investigations - proactive investigations and responses to debarred persons seeking relief. The document details the steps for notifying the subject of debarment, confirming their employment status, and the actions that can be taken if prohibited employment is found. It also outlines the process for handling requests for relief from debarment, including the required investigative activities and report formatting.