Second Access, Participation, Eligibility, and Certification Study (APEC II): Estimating and Validating Statistical Models for Updating Estimates of Improper Payments in NSLP and SBP

Statistical models were designed to estimate national improper payments due to certification error on an annual basis using district-level data. This enables FNS to update its estimates of national improper payment rates for the NSLP and SBP in future years without having to conduct full rounds of primary data collection.