Minn. Stat. § 475.753

All municipalities are subject to the provisions of this chapter in the issuance of obligations and may incur indebtedness to the extent of but not in excess of the debt limit in said chapter notwithstanding any home rule charter provision or charter law adopted prior to April 1, 1951. Nothing herein shall prevent the adoption after that date of additional debt limitations or restrictions. This section shall not be deemed to amend or otherwise affect or change section 475.53, subdivision 3 .