On July 8, 2013, the National Archives and Records Administration (NARA) approved OFLC's revised retention schedule following a 30-day period of public notice and review. As part of its review and approval process, NARA determined employer applications for labor certification and supporting documentation, whether retained in paper and electronic form, are temporary records and subject to destruction in accordance with an approved disposition schedule.
USDOL has posted the following FAQ
1. Under what authority can the Department of Labor's Office of Foreign Labor Certification select an employer's application for supervised recruitment?
In a recent meeting, Nebraska Service Center has clarified why, some times, in cases of pending I-485 applications, USCIS approves AOS interchanging the applications of the derivative and principal applicant:
USCIS is launching a pilot program in July 2010 that will use Dun & Bradstreet databases to verify business information of employers who submit immigration related petitions. "Verification Instrument for Business Enterprises" (VIBE) is a tool intended to help combat immigration fraud, and to minimize RFE's regarding petitioners' business data and eventually to make submission of routine documentation unnecessary.