- For individuals and sole proprietors, your TIN is your Social Security Number (SSN).
- For other entities, your TIN is your Employer Identification Number (EIN).
You must ensure that the name and TIN that you enter matches the name and TIN on record with the IRS.
If you require additional information regarding the TIN or if you do not have a TIN and need to apply for one, please contact the IRS for additional information.
For Clients, more information on Elance's 1099 service is here.
For Freelancers, more information on W9's and tax forms is here.