Business immigration attorney Mira Mdivani published an article on H-1B public access file and USCIS audit.

This year, employers not only have heard from ICE on I-9 audits, but USICS (United States Citizenship and Immigration Services) has been busy auditing employers specifically with regard to H-1B-related issues.
USCIS claims that over 20% of H-1B employers violate terms of H-1B employment. In 2009, the agency launched the Administrative Site Visit and Verification Program, which includes random on-site inspections of H-1B employers. H-1B employers should be ready for an unexpected visit from USCIS. This is how to prepare...