The most common place an employer’s EIN can be found is on your W-2 in box B. It’s a unique 9-digit number with the following format: XX-XXXXXXX. If an employer’s EIN is missing or incorrect on your W-2, you will need to contact the employer’s Human Resources or Payroll department to find out what the correct number is. In some cases, a business EIN can change from one year to the next if their ownership or business structure has changed, so be careful using a prior year EIN for your current tax return. Likewise, an employer may have a different EIN for each business branch or workplace location. To learn more about the information that is provided on your W-2, please review the General Instructions for Form W-2.
Where can I find the EIN for my employer, and what if it’s missing or incorrect?
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