The Minnesota Deferred Compensation Plan (MNDCP) is a voluntary savings plan intended for long-term investing for retirement. If you have questions about the deferred compensation plan, please contact the Minnesota Deferred Compensation Plan at 1-800-657- 5757. 4.Login to your account account1 - Select Go to Savings Plans; then select Beneficiaries under Account Information in the left navigation menu. The Minnesota Deferred Compensation 457b Plan or mndcp is available to all public employees who work for the state. This plan offers a tax-deferred savings plan that can help supplement other retirement benefits. 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.