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What does an Employer Identification Number (EIN) serve as for a business entity?

  1. Tax Exemption Number

  2. Federal Tax Identification Number

  3. State Business License Number

  4. Corporate Registration Number

The correct answer is: Federal Tax Identification Number

An Employer Identification Number (EIN) serves as a Federal Tax Identification Number for a business entity. The IRS assigns this unique nine-digit number to identify businesses for tax purposes. Businesses, whether they are sole proprietorships, partnerships, corporations, or other entities, need an EIN to manage tax obligations, open business bank accounts, and apply for loans. It essentially functions like a Social Security number for a corporation or partnership, enabling the government to track the entity's tax responsibilities. Other options pertain to different aspects of business identification and registration. A tax exemption number relates to a status that allows businesses to purchase goods and services tax-free and does not serve the same purpose as an EIN. A state business license number is issued by state governments for specific local business regulations, while a corporate registration number is related to the formation and legal recognition of a corporation at the state level.