Standard&Poor's Ratings Services confirmed its 'A+/A-1' rating on Illinois Finance Authority's (Liberty Towers project) series 2007A convertible multifamily housing revenue refunding bonds, issued for Liberty Towers Associates II LP, due to the bank facility being extended to April 15, 2017. The long-term and short-term components of the rating are based on the ratings on the letter of credit provider, BMO Harris Bank N.A. Criteria: Methodology And Assumptions: Approach To Evaluating Letter Of Credit-Supported Debt, Feb. 20, 2015