H.R. 547 — No Child Tax Credit for Illegals Act of 2025

This bill extends and expands the Social Security number (SSN) identification requirements for claiming the child tax credit. The bill also provides that the omission of a correct SSN related to a child tax credit claim is to be treated as a mathematical error for certain purposes. Under current law, to claim the child tax credit, a taxpayer must provide a work-authorized SSN (issued prior to the due date of the federal income tax return) for each qualifying child. Beginning in 2026, to claim the child tax credit, a taxpayer must provide a valid taxpayer identification number (issued on or before the due date of the federal income tax return) for each qualifying child. Under the bill, to c...