Standard&Poor's Ratings Services has assigned its 'AA' rating to Minnesota Housing Finance Agency's state appropriation bonds (housing infrastructure) series 2013 A and B bonds secured by appropriations from Minnesota. At the same time, Standard&Poor's affirmed its 'AA' rating on the Minnesota Housing Finance Agency's state appropriation debt outstanding. The outlook is stable. The series 2013 A and B bonds are limited obligations of the state agency, payable solely from transfers we expect to come from appropriations from the state, and that were authorized by Section 462A.37 of Minnesota statutes. The agency must certify annually to the commissioner of management and budget the amount necessary for annual debt service on the bonds, and the amounts necessary for