ANSWER: Legally required time to verify citizenship status

In usa.gov, the search: "no match letter" "internal audit" gets one hit, HEARING ON IMPACTS OF BORDER SECURITY AND IMMIGRATION ON WAYS AND MEANS PROGRAMS HEARING BEFORE THE COMMITTEE ON WAYS AND MEANS U.S. HOUSE OF REPRESENTATIVES ONE HUNDRED NINTH CONGRESS SECOND SESSION JULY 26, 2006. The search: "security numbers" "voluntary audits" gets 4 hits; "security numbers" "voluntary audit" gets 5.

Even in Google, the search "security numbers" "voluntary audit" gets only 22 hits, and it may be worthwhile to scan through them. But the search: "no match letters" "voluntary audits" gets 30 hits and seems to find more discussions of the issue of companies firing workers without valid SSNs.

In usa.gov, the search: "no match letter" "internal audit" gets one hit, HEARING ON IMPACTS OF BORDER SECURITY AND IMMIGRATION ON WAYS AND MEANS PROGRAMS HEARING BEFORE THE COMMITTEE ON WAYS AND MEANS U.S. HOUSE OF REPRESENTATIVES ONE HUNDRED NINTH CONGRESS SECOND SESSION JULY 26, 2006. The search: "security numbers" "voluntary audits" gets 4 hits; "security numbers" "voluntary audit" gets 5.

Even in Google, the search "security numbers" "voluntary audit" gets only 22 hits, and it may be worthwhile to scan through them. But the search: "no match letters" "voluntary audits" gets 30 hits and seems to find more discussions of the issue of companies firing workers without valid SSNs.

Another Radical Reference librarian found several sites that discuss questions of companies’ rights and responsibilities. Zamora v. Elite Logistics Inc. was a discrimination ruling, but it shows a company suspending an employee on the company's own initiative (as opposed to an edict of the federal government). Another possible line is the National Immigration Law Center (NILC) Social Security Administration "No-Match" Letters page. This page links to a number of cases, including court injunctions, instructions to employers, and restraining orders in some specific cases. NILC has a summary of the no-match letter injunction issued by the US District Court of Northern California.