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

Additional Child Tax Credit

Who, How, and When

Claim Credit for Previous Years

Taxpayers who earned, but did not claim, an additional child tax credit in previous years have four years to claim it.

Tax Year Final Filing Date
2011 April 15, 2015
2012 April 15, 2016
2013 April 15, 2017
April calendars from four different years.