Taxpayer Identification Number (TIN)

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A number which is used to identify entities for tax-related purposes such as filing tax returns, or other actions such as opening a bank account. For an individual, his or her TIN is the same as his or her Social Security Number (SSN). For businesses, its TIN is the same as its Employer Identification Number (EIN).

Use 'Taxpayer Identification Number (TIN)' in a Sentence

The taxpayer identification number was used in filling out the form as it is a commonly referenced number for our accounting records.
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Whenever you are applying for a new job it is important that you know your taxpayer identification number and sign up with it.
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Bob walked into Acme Bank, and asked the scowling teller, "Here's that taxpayer identification number you told me I had to have: now can I open a business checking account?"
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