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.