This blog post will give an overview of how ERISA can impact your severance agreement. ERISA preempts state laws, which are usually the most troublesome for employers.This GRIST provides a basic primer on ERISA's preemption of state laws, including various exceptions, exclusions and court rulings. This law applies to most benefits purchased or provided through an employer group. Summary of ERISA Regulations, Opinions, and Court Decisions, Section 3 Definitions (Selected), Section 4 Plans Covered, Section 404 Fiduciary Duties. A severance plan is properly considered an ERISA welfare benefit plan. A plan with one employee is still considered an ERISA severance plan. ERISA contains various standards that a plan must meet in order to receive favorable tax treatment, and also governs plan termination. Leveling the Playing Field for Employees. Fill out the contact form or call us at (312) 269-0200 or (402) 951-9330 to schedule your consultation.