The law requires out-of-state companies selling products to Coloradans to tell them they are required to pay the state's 2.9 percent sales tax on their purchase. Robinson believes the ruling will prompt other remote retailers to do so as well. A Ratings Fight Over Chicago Schools In a highly unusual move, Fitch Ratings this week issued a credit analysis of Chicago Public Schools (CPS) that directly attacked a previous analysis by competitor Moody's Investors Service. In a bristly toned release, Fitch disputed Moody's earlier assessment that the financially troubled school system could "elect to use unrestricted general state aid" to support school operations instead of debt service and could pledge property tax revenue to pay that debt. "Unless by 'elect' Moody's is referring to a successful ballot referendum," Fitch said, "a plain reading of the Act indicates this is not the case."