The purpose of the study was to learn the extent to which retail grocers, defined as "vendors" in the WIC Program, authorized to provide food to WIC participants, were violating program rules and procedures, and to determine which programmatic and/or demographic variables could be associated with vendor violations.

This report explores the feasibility and potential cost of enabling EBT systems to differentiate between program-eligible and ineligible items. It considers the cost of upgrading systems in stores that now have scanners and the cost of installing new systems in stores without scanners. The report also examines the potential for the purchase of ineligible items even with the introduction of new technological controls.