This guide serves as a comprehensive resource for plan administrators required to file the ERISA annual report (Form 5500 and Form 5500-SF). It covers the EFAST2 processing system, changes to the Form 5500, and new reporting requirements for 403(b) plans. The guide also provides practical tips for avoiding common filing errors, understanding compliance penalties, and ensuring accurate submission of all necessary schedules and attachments. This resource is essential for maintaining compliance with ERISA reporting obligations.