IAB researches and recovers your challenging customer deductions and chargebacks while providing you with valuable insights and the confidence that you are obtaining all the revenue to which you are entitled. IAB is the most experienced service provider bringing to bear the greatest resources focused on deduction management. Since 1984, IAB has been serving many of the most highly regarded global companies. Our teams are highly responsive to your needs, easy for you to partner with, and reliable under all circumstances. IAB: PARTNERS. SOLUTIONS. RESULTS.