Three agencies (Empower, Contra Costa County Employees' Retirement Association, and the Social Security Administration) partnered to educate members. All questions concerning eligibility, plan coverage and rates should be directed to the Contra Costa County Benefits Office at.Information on retirement plans for small businesses and the selfemployed. Choose a Plan, Maintain a Plan, Find or Fix Plan Errors, Plan Benefits. Additional Resources (FamLaw-101). • Requirements for Filing Court Papers (MC-500). The Contra Costa Water District (CCWD) is pleased to present you with our Retirement Handbook. Your retirement is an important event. If you are self-employed, please submit a copy of your last two years' tax returns, including Schedule C, along with a current Profit and Loss Statement. The Family Law Facilitator's Office offers assistance with the completion of legal forms and provides procedural guidance in most areas of Family Law.