Missouri updates WIC income guidelines for 2021-2022 The United States Department of Agriculture Food and Nutrition Services (FNS) releases annual adjustments to the IEGs which are used in deciding WIC eligibility. (Source: Pixabay) By Ashley Smith | May 6, 2021 at 4:26 PM CDT - Updated May 6 at 4:26 PM JEFFERSON CITY, Mo. (KFVS) - Missouri WIC, a special supplemental nutrition program for women, infants, and children, updated their Income Eligibility Guidelines (IEGs) on April 1. The United States Department of Agriculture Food and Nutrition Services (FNS) releases annual adjustments to the IEGs which are used in deciding WIC eligibility. The IEGs are based on 185% of the federal poverty guidelines and are adjusted with the changes in the Consumer Price Index.