Revenue Procedure 2021-23 modifies and supersedes portions of the 2021 inflation rev. proc., Rev. Proc. 2020-45, to reflect statutory amendments made by the American Rescue Plan Act of 2021.  Specifically, it modifies inflation adjusted amounts for the Child Tax Credit, the Earned Income Credit, and the Applicable Percentage Table for section 36B.

Rev. Proc. 2021-23 will be published in Internal Revenue Bulletin 2021-19 on May 10, 2021.