Find general information about 401(k) plans, the tax advantages of sponsoring the plan and the types of plans available. Further, the company must fill out Form 5500 to disclose the plan's details and its participating employees.This GRIST provides a basic primer on ERISA's preemption of state laws, including various exceptions, exclusions and court rulings. Plans covered under ERISA include 401(k)s, pensions, deferred compensation plans and profitsharing plans. Here's what you need to know. Examples of defined contribution plans include: Employee pension plans; 401(k) plans; Profit-sharing plans or stock bonus plans; Employee stock ownership plans. The TRS retirement plan is a defined benefit plan. Profitsharing contributions aren't based on employee participation. (H) Special rules for certain defined contribution plans. ERISA sets fiduciary standards that require employee benefit plan funds be handled prudently and in the best interests of the participants.