Internal Revenue Service United States Department of the Treasury
Level Basic Advanced Military International

Important Changes This Year

ITINs

ITINs

ITINs not used in the last 3 consecutive tax years: Any ITIN that is not used on a federal tax return for at least three consecutive tax years will expire on December 31 of the third consecutive tax year of non-use. ITINs with middle digits (the fourth and fifth positions) "70," "71," "72," "73," "74," "75," "76," "77," "78," "79," "80," "81," "82," "83," "84," "85," "86," "87" or "88" have expired. In addition, ITINS with middle digits "90," "91," "92," "94," "95," "96," "97," "98," "99" if assigned before 2013, have expired.