Minnesota Statutes Banking (Ch. 46-59) § 48.195. Interest rates; usury limit for depository institutions

Notwithstanding any law to the contrary, a bank, savings bank, savings association, or credit union organized under the laws of this state, or a national bank or federally chartered savings bank, savings association, or credit union, doing business in this state, may charge on any loan or discount made or upon any note, bill or other evidence of debt, except an extension of credit made pursuant tosection 48.185, interest at a rate of not more than 4-1/2 percent in excess of the discount rate, including any surcharge thereon, on 90-day commercial paper in effect at the Federal Reserve Bank located in the Ninth Federal Reserve District.