The commissioner, or any employee of the department authorized in writing by the commissioner, is authorized to enter into an agreement in writing with any taxpayer, or duly authorized agent or representative of the taxpayer, relating to the liability of the taxpayer in respect of any tax for any tax period ending prior to the date of the agreement. The agreement shall be final and conclusive and, except upon a showing of fraud or malfeasance, or misrepresentation of a material fact, the case shall not be reopened as to the matters agreed upon, or the agreement modified, by any employee or agent of the state; and, in any suit, action, or proceeding, the agreement, or any determination, assessment, collection, payment, abatement, refund, or credit, made in accordance with the agreement, shall not be annulled, modified, set aside, or disregarded.
Minn. Stat. § 270C.52
2005 c 151 art 1 s 58, 116; art 9 s 12; 2010 c 389 art 10 s 3; 2014 c 308 art 9 s 19