This plan allows eligible employees to: Set aside money towards their retirement. Make Roth contributions that can grow tax-free.For guidance on what may cause a 403(b) plan to be subject to ERISA, please consult the Department of Labor's rules. All 403(b) plans are subject to Title I of ERISA unless an exemption applies. Interested employees must complete and sign the new OMNI Salary Reduction Agreement (SRA) and submit it directly to OMNI. Regulatory changes require all ERISA 403(b) plans to file expanded 5500 packages to the. Internal Revenue Service (IRS) and Department of Labor (DOL). Most employersponsored retirement plans are subject to ERISA requirements.