Compiled annually by the Internal Revenue Service, the “Dirty Dozen” lists a variety of common scams that taxpayers may encounter anytime, but many of these schemes peak during filing season as people prepare their returns or hire someone to help with their taxes.

This year’s “Dirty Dozen” was separated into four installments, and today we are sharing the fourth and final installment. The Internal Revenue Service wraps up its “Dirty Dozen” tax scams list with schemes that persuade taxpayers into unscrupulous actions. This list warns about promoted abusive arrangements.