A profitsharing plan accepts discretionary employer contributions. There is no set amount that the law requires you to contribute.Find answers to frequently asked questions about employee benefit plan audits, including welfare audit requirements and ERISA audit questions. The Internal Revenue Code established its Controlled Groups Provisions as part of the Revenue Act of 1964. They were initially issued as part of a tax. PBGC's Missing Participants Program contains four types of retirement plans: Defined benefit plans that end in a standard termination. Basic ERISA compliance requires employers provide notice to participants about plan information, their rights under the plan, and how the plan is funded. There is no such thing as a "SoloK" plan. There are profit sharing plans, with or without a 401(k) feature, that cover only the owner. Retirement plan guides for all Department of Retirement System plans including rules and benefit information for Washington State DRS pension customers.