• Select: REGISTER. Questions regarding §457 maximums and refunds should be directed to Louisiana Deferred Compensation at (225) 926-8082 or toll free at (800) 937-7604.The Minnesota Deferred Compensation Plan (MNDCP) is a voluntary savings plan intended for long-term investing for retirement. For more information on loans, contact the. Louisiana Deferred Compensation Plan at (800) 937-7604. Follow the prompts to enroll.