Contact the Minnesota Department of Revenue at 651-556-3003, 800-657-3909 or TTY at 711.
If your debt was referred to the department by another agency (i.e. school debts and court debts) contact that agency directly. Also, call the department at 651-556-3003, 800-657-3909 or TTY at 711 to inform them that you are disputing the debt and have contacted the referring agency.