For example, Federal, state, or local government plans and some church plans are not covered. The annual report of employee welfare and pension plans may be filed with the Department of Labor (DOL) in compliance with Section 103 of ERISA.Employers have 401(k) fiduciary responsibilities due to their discretionary authority or control over plan management and assets. There are certain limitations on the types of investments a retirement plan can have. Some investment restrictions apply to different plan types. Summary of ERISA Regulations, Opinions, and Court Decisions, Section 3 Definitions (Selected), Section 4 Plans Covered, Section 404 Fiduciary Duties. The amendments clarify the application of ERISA's fiduciary duties of prudence and loyalty to selecting investments and investment courses of action. A 401k can help you attract new talent, retain valued employees and save for retirement yourself. Learn how to set up a 401k for your business. Learn more about the investment options available under the Plan online and in the Investment Option Summary.