3 ms·

Names aren't exactly unique.

• eurleif 15y ago
  AdSense also requires a SSN so they can file a 1099 with the IRS.
• rorrr 15y ago
  Tax IDs and SSN numbers are.
  • jaggederest 15y ago
    Business tax ID solves that problem. Incorporate and you get one from the IRS.
  • barrkel 15y ago
    AFAIK SSNs are not unique (1:1 in either respect) in the US. http://blogs.computerworld.com/node/5969 http://blogs.computerworld.com/node/5969