SAN FRANCISCO (Standard&Poor's) Dec. 27, 2012--Standard&Poor's Ratings Services took rating actions on various Colorado Housing and Finance Authority variable-rate demand obligations (VRDOs) under its single-family mortgage bond indenture. The rating actions include: Withdrawing the underlying rating (SPUR) and affirming the 'AAA' long-term rating on VRDOs that are converting to floating-rate notes. These series will no longer have tender options, nor will they have short-term ratings to indicate the liquidity support they would have received in the event of a failed remarketing after a tender. Lowering the short-term rating to 'A-1' from 'A-1+' on series 2002B-3 and 2002C-3, VRDOs that will retain tender options but will have a different source of liquidity, Barclays Bank PLC, in place