Under ERISA, a retirement plan administrator cannot divide a pension or retirement account without a Qualified Domestic. At TPS Group, we offer all of the services you need to simplify the management of your company retirement plan and to maintain compliance.ERISA is a federal law that sets minimum standards for retirement plans in private industry. OPERS provides age and service retirement, disability benefit and survivor benefit programs for public employees throughout the state. Form 5500 is filed with the DOL and contains information about a 401(k) plan's financial condition, plan qualifications, and operation. We protect the retirement security of about 31 million Americans in single-employer and multiemployer pension plans. OPERS: Your Pension System. The Ohio Public Employees Retirement System has been providing retirement benefits to Ohio's public employees since 1935.