New Policy Memo: Visa Petition after death of Spouse

Approval of a Spousal Immediate Relative Visa Petition under Section 204(l) of the Immigration and Nationality Act after the Death of a U.S. Citizen Petitioner

http://www.uscis.gov/sites/default/files/USCIS/Laws/Memoranda/2015/2015-1118_Approval_of_a_Spousal_Immediate_Relative_Visa_Petition.pdf