This report provides improper payment estimates for fiscal year 2011 using a methodology for “aging” the 2005 bookend study. The methodology yields nationally representative estimates of the number of vendors that over- and undercharged and the amount of over- and undercharges across all WIC vendors.

FNS proposed to select a random sample of sponsoring organizations and, from each, use a random selection of the sponsor’s monitoring visits of family day care homes. Using these data, FNS would compare the number of meals claimed with the number of children observed at the time of the visit.