http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
USCIS notifies employers of filing changes
two service centers designated to receive all I-129s and I-140s
U.S. Citizenship and Immigration Services
Title from title screen (viewed on Mar. 31, 2006).
Mode of access: Internet from the CIS web site. Address as of 1/19/07: http://www.uscis.gov/files/pressrelease/BiSpecPh01_24Mar06PR.pdf; current access is available via PURL.
Fact sheet (U.S. Citizenship and Immigration Services)