...Standard & Poor's Ratings Services raised the short-term component of its rating on Colorado Housing & Finance Authority's series 2002B-3 and 2002C-3 adjustable-rate single-family mortgage (class I) bonds to 'A-1' from 'A-2'. The '###' long-term component of the rating is unchanged. The outlook, applicable solely to the long-term component of the rating, is stable. This action reflects new enhancements for the bonds in the form of standby-bond purchase agreements (SBPAs) from Bank of America N.A. (A-1), replacing prior SBPAs from Barclays Bank PLC (A-2). The new SBPAs will cover the purchase price of unremarketed tendered bonds, including up to 187 days' interest at a 12% annual interest rate. The SBPAs are scheduled to terminate on Nov. 30, 2018. At such time, if the SBPAs are not replaced or extended, we will remove the short-term component of the rating on the bonds. The new SBPAs only enhance the bonds in the weekly and term interest-bearing rate modes (the covered rate modes). The...