This page provides access to various policy and procedural memoranda which gives guidance to USCIS adjudicators in their work of processing applications and petitions for immigration benefits while still protecting national security.
You can also find a listing of memoranda by subject to the right.
ATTENTION: Policy memos that have been partially or fully superseded by the USCIS Policy Manual have been stamped and republished. If you have bookmarked affected memo PDF files, you will now see the updated stamped version of the memo indicating that you should visit www.uscis.gov/policymanual for current policy.
This page can be found at http://www.uscis.gov/memoranda