There are electronic resources to assist employers in complying with the I-9 verification requirements including workers’ names and Social Security numbers (SSN) and validating work eligibility. However, there is no safe harbor for using such resources. Before using theses resources, read my post entitled "Four Reasons to take a "Wait and See " approach to E-verify".
Social Security Number Verification Service (SSNVS)
• To verify up to five names. Call SSA toll-free, (800) 772-6270, or call the general SSA number at (800) 772-1213. Both numbers are open for service weekdays from 7 a.m. to 7 p.m., Eastern Standard Time.
• To verify up to 10 names. Use the agency’s web site, which provides an instant response. Or receive the results of up to 250,000 names and SSNs overnight (which requires registration by employers.) SSA website information.
Department of Homeland Security E-Verify. Employers may verify the eligibility of individuals to work in the U.S. by matching their names, SSNs and immigration status. E-Verify Website
Electronic I-9 Signatures. Employers are permitted to store Forms I-9 electronically. Maintaining electronic signatures helps some employers reduce storage and recordkeeping burden and costs. Regulations allowing for electronic storage.