2004 Noncash / After Tax Extract
includes variables that were withheld 
from the CPS March 2004 ASEC file per
User Note #1:  http://www.bls.census.gov/cps/asec/2004/usernote1.htm .

The files also contain a revised final weight
for the CPS March 2004 ASEC file.

ASEC is the Annual Social and Economics supplement.