The answer will depend on what 'offered to' employees means. Unless the employer's actions vis-Ã -vis the supplemental plan stay within the 'voluntary plan safe harbor' or another exemption applies, the benefit will be subject to ERISA. Generally, ERISA applies to any employer-maintained plan, fund, or program providing medical, dental, vision, prescription drug, health FSA, HRA, accident, disability, or death benefits. Despite ERISA's far-reaching application, certain types of plans and progra