I've been trying to understand how IRS e-file works. Does anyone know if it's a public API, and if so, where I can get information on it? Google has not been helpful.
+1
A:
It looks like this page has the list of documentation for the efile process: http://www.irs.gov/taxpros/providers/article/0,,id=97657,00.html
David
2010-01-25 17:11:40