Learn about the ERISA DOL and retirement plan audit services offered to businesses in Chicago, and across Illinois - Chicago 401k Audit. Learn about the ERISA Audit and benefit plan audit services offered to Chicago and Illinois 401k plan sponsors - JLK Rosenberger - Chicago ERISA Audit.This Summary Plan Description ("SPD") summarizes the provisions of the Defined Contribution. Learn about the 401k and benefit plan audit services offered to organizations in Chicago and Illinois including ERISA compliance - Chicago (IL). Learn how to request your ERISA plan documents with our step-by-step guide. Protect your rights and access crucial information today! No. If you offer an employer-sponsored retirement plan to any of your employees, you will not need to facilitate Illinois Secure Choice. Ilinois ERISA Audit Experience. • Individual participating or eligible to participate in The University of Chicago Contributory. Retirement Plan (CRP).