Responses to Questions From May 18th Hearing on Uses of Social Security Numbers

Pursuant to a congressional request, GAO responded to congressional questions regarding the May 18th hearing on the uses of social security numbers (SSN), focusing on the following questions: (1) what problems are caused when necessary SSNs are not included on tax forms submitted to the Internal Revenue Service (IRS); and (2) what actions federal agencies are taking in the area of using biometrics to identify individuals.