TaxProf Blog: TIGTA: IRS Made $133 Billion in Improper EITC Payments in Past Decade, 25% Error Rate Violates Executive Order October 23, 2013 jamesbbkk Uncategorized Leave a comment TaxProf Blog: TIGTA: IRS Made $133 Billion in Improper EITC Payments in Past Decade, 25% Error Rate Violates Executive Order. Share this:TwitterPinterestTumblrRedditFacebookEmailPrintLike this:Like Loading...