The Minnesota Deferred Compensation Plan (MNDCP) is a voluntary savings plan intended for long-term investing for retirement. The Minnesota Deferred Compensation 457b Plan or mndcp is available to all public employees who work for the state.Pima County offers two voluntary deferred compensation retirement plans. In this section we discuss the features of the MNDCP and how to use your MNDCP savings to supplement your pension and social security income. MNDCP is a 457(b) governmental deferred compensation plan. This plan allows eligible employees to voluntary participate to. Qualified deferred compensation plans include regular defined benefit plans, 401(k), IRA, and 457 plans. If you have questions about the deferred compensation plan, please contact the Minnesota Deferred Compensation Plan at 1-800-657- 5757. 4. Complete Form W-4MNP so your plan administrator, financial institution, or other payer responsible for making your distributions.