From GPO Access:
Jobs and Growth Tax Relief Reconciliation Act of 2003 (H.R. 2), TEXT | PDF, Signed into law on May 28, 2003, H.R. 2 amends the Internal Revenue Code to accelerate the increase to the $1,000 child tax credit to include 2003 and 2004. It also maintains the levels and the sunset established under the Economic Growth and Tax Reconciliation Act of 2001 for years following.
Also available: Conference report to H.R. 2 (H. Rept. 108-126) TEXT, PDF.