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EIN vs TIN: A Complete Guide for Businesses and Individuals
Published on: 04 August 2025By Aaron Richards
Prior to paying taxes in the United States or any other country, one should know how vital the Employer Identification Number (EIN) and Taxpayer Identification Number (TIN) are. People have mixed notions about being alike. In fact, they are two distinct identification numbers that serve different purposes.
For the sake of simplicity, we have curated a blog elaborating on EIN vs TIN differences. We have also laid out when you will need each of them. Having such information will help you handle your business's taxes better.
What is a TIN?
Taxpayer Identification Number (Tax Identification Number or TIN) is a common term used by the Internal Revenue Service (IRS) to identify taxpayers. While TIN differs with each location, its intrinsic purpose does not change.
The primary purpose of TIN is to track tax liability and ensure the filing of tax returns. Some of the various types of TINs include Social Security Number, Employer Identification Number, Individual Taxpayer Identification Number, Preparer Tax Identification Number, and Adoption Taxpayer Identification Number.
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If you meet the criteria mentioned below, you should apply for these identification numbers:
If you are a resident or citizen of the United States, you are required to file a tax return. You then have the following types of TIN, referred to as a Social Security Number (SSN).
Although you are not residing in America, if you seek money from sources found in America (e.g., job opportunity, business opportunity, or investments), then you will require an EIN to report your income to the IRS. You may even need an Individual Taxpayer Identification Number (ITIN) instead of an SSN in such a situation.
What is an EIN?
Employer Identification Number is a nine-digit number that the Internal Revenue Services assign to businesses and other organizations in the United States for tax purposes.
There are a number of situations where you can use an EIN:
If you own a business entity like a corporation or a Limited Liability Company, then you require an EIN.
After you have hired the employees, you require an EIN so that you can report their salaries and pay payroll taxes for them.
The EIN is the number with which the IRS recognizes your payroll taxes.
Some cities, counties, and states mandate that the business license applicant possess an EIN.
If you are about to open a business account, then you are required to have an EIN.
Differences Between Business TIN vs EIN
Since we have discussed the definition of EIN and TIN, here are the key differences between EIN Vs TIN:
Taxpayer Identification Number
Employer Identification Number
A general term used by the respective government to refer to a taxpayer.
It specifically refers to a business organization.
It varies depending on the choice of TIN you make.
The format of EIN is XX-XXXXXXX.
TIN includes EIN, ATIN, PTIN, SSN, and ITIN.
It's a subcategory of TIN.
Individuals, sole proprietors, businesses, and other entities.
Corporations, partnerships, and multi-member LLCs.
How To Apply For a TIN?
You are required to apply for a TIN through the following methods:
Identify the Appropriate TIN Type for Your Case
As we have discussed earlier, various TINs exist; you have to select one according to your requirement as part of the very first step.
Choose the Relevant Authority
After selecting the particular TIN you need, you are required to make the application to the concerned authority.
Collect and File the Documents
To proceed with a smooth procedure, you need to file the documents required for your application for a Tax ID number. You can visit a business advisor to learn about the documents that need to be filed.
Complete the Application
You need to fill out the online application form to arrive at the final step.
Wait for Processing and Issuance
After submitting all your documents on time, wait for the processing and issuance period.
How to Apply For an EIN?
To apply for an employer ID number, you must follow one of the following modes:
Apply Via Online
It is the fastest method available for businesses in the U.S. or its territories. Visit the IRS application page, complete the form, and receive your EIN immediately after validation.
Submit your Application Via Fax
Download and complete Form SS-4, then fax it to the number on the IRS website. If you provide a return fax number, you'll receive your EIN in about four business days.
Send Through Mail
You can send your application by the email. It's an easy way to submit your details. Usually, it takes up to 4 weeks to get the result.
Jurisdictions That Support TIN Vs EIN
In case you have business operations in Delaware or Belize, then you should consider the following requirements:
i) Delaware
If you are forming an LLC in Delaware or some other state, then you will have to obtain an EIN. With this number, you can open an international bank account, employ individuals, or file taxes.
Tax ID vs. EIN Filing Requirements Failure Consequences
Not following the tax filing can lead to:
Denial of your request in the event of your failure to obey the laws.
Penalties or fines that you need to pay to the IRS.
Missing your tax refund deadline.
Myths About Business Tax ID Number Vs EIN
When applying for a TIN or an EIN, be mindful of the following myths:
An EIN is mandatory for all
EIN is only for corporations.
TIN Is Just One of the SSNs
There are several types of TINs; SSN is only one of them.
EIN is Not Significant to Freelancers
Freelancers can apply and utilize it on invoices and tax filings.
These are the things that you should be aware of about the employer identification number vs tax ID. But if you want to apply for either of them or more information on the EIN vs TIN difference, then get in touch with Business Setup Worldwide.
Aaron Richards is a seasoned expert with over six years of
experience who specializes in offshore company formation, trust
and foundation setup, and corporate services. Through his blogs,
Aaron shares valuable insights to guide clients in making informed
decisions about their global business needs.
Frequently Asked Questions
1. What are the benefits of obtaining an EIN?
The pros of obtaining an Employer Identification Number (EIN) include identity protection, the ability to open business bank accounts, building business credit, facilitating payment of business taxes, hiring employees, and avoiding tax penalties.
2. What are the advantages of obtaining a TIN?
The advantages of obtaining a Taxpayer Identification Number (TIN) include helping governments track taxpayers' financial activities and ensuring transparency in revenue collection.
3. What are the various types of TINs?
The various types of TINs include Social Security Number (SSN), Employer Identification Number (EIN), Individual Taxpayer Identification Number (ITIN), Taxpayer Identification Number for Pending U.S. Adoptions, and Preparer Taxpayer Identification Number (PTIN).
4. What is the complete form of TIN?
The complete form of TIN is Taxpayer Identification Number or Tax Identification Number.
5. What are the other terms used for EIN?
Other terms for EIN include Federal Tax Identification Number and Federal Employer Identification Number.
6. Are Employer ID Number and Tax ID Number the same?
No. While both are types of identification numbers, there are apparent differences between the Employer Identification Number vs Taxpayer Identification Number.
