WASHINGTON—U.S. Citizenship and Immigration Services (USCIS) is alerting customers of certain Notices of Approval (Forms I-797) issued between Jan. 20 and Jan. 27, 2010, with incorrect or missing information. The form types impacted are Petition for Nonimmigrant Worker (Form I-129) and Application to Extend/Change Nonimmigrant Status (Form I-539). (more…)