CMS has posted the September 2012 draft average manufacturer price (AMP)-based Medicaid federal upper limit (FUL) files, along with updated three-month rolling average FUL file consisting of the weighted average of the current and two previous monthly draft AMP-based FULs. CMS continues to accept comments on the monthly and three-month rolling average draft AMP-based FULs and the methodologies used to calculate them.