The Minnesota Deferred Compensation Plan (MNDCP) is a voluntary savings plan intended for long-term investing for retirement. The New York City Deferred Compensation Plan (DCP) allows eligible New York City employees a way to save for retirement through convenient payroll deductions.If you have questions about the deferred compensation plan, please contact the Minnesota Deferred Compensation Plan at 1-800-657-. 5757. 4. Submit your forms as follows: 1) Inquries and questions can be sent via email to the Plan. A voluntary retirement savings plan that provides quality investment options, investment educational programs and related services. The Minnesota Deferred Compensation 457b Plan or mndcp is available to all public employees who work for the state. We'll explain the major state personal income tax considerations that apply to deferred compensation or retirement income.