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The TIN Matching Application Process
Complete the TIN Matching Application
Modify a TIN Matching Application
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Before you can complete a new TIN Matching Application, you will need the following information:

Hand Writing a List
  • Your firm's legal name, address, and phone number
  • Your firm's Employer Identification Number (EIN). If your firm is a sole proprietorship without an EIN, you will need the proprietor's Social Security Number (SSN).
  • The physical address of all locations of your firm which will be performing TIN Matching
  • The names, SSNs and phone numbers of the authorized users within your organization
  • The Personal Identification Number (PIN) you selected during the initial registration process

For more detailed information about TINs and TIN Matching, download IRS Publication 2108A, On-Line Taxpayer Identification Number (TIN) Matching Program, using the link at left.