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.The Minnesota Deferred Compensation 457b Plan or mndcp is available to all public employees who work for the state. Deferred Compensation Plan. Minnesota is now just one signature away from a complete ban on noncompete covenants between employers and their employees and independent contractors.