Oregon Construction Contractors (CCB) Practice Test

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What serves as a primary identifier for a business in federal tax purposes?

  1. Business License Number

  2. Employer Identification Number

  3. Tax Identification Number

  4. Business Tax ID

The correct answer is: Employer Identification Number

The primary identifier for a business for federal tax purposes is the Employer Identification Number (EIN). This unique nine-digit number is issued by the Internal Revenue Service (IRS) and serves several important functions. It is used to identify a business entity in various tax-related documents and filings, including payroll reports and tax returns. The EIN is essential for businesses that have employees, operate as corporations or partnerships, or are required to pay certain federal taxes. Although other identifiers, such as a Business License Number or Tax Identification Number, may be necessary for different types of state or local registrations, they do not serve the same purpose at the federal level as the EIN. The Business Tax ID is often used interchangeably with the Tax Identification Number but can lead to confusion as it does not specifically refer to the EIN. Therefore, the EIN stands out as the recognized identifier created specifically for federal tax administration purposes.