Employer identification numbers, or EINs, are the foundation of American business. 

They are a nine-digit number the IRS assigns and act as social security numbers for employers. 

Apart from the EIN number, Federal employer identification numbers (FEIN) also exist. There is virtually no difference, except that FEIN was an older term replaced by the new EIN.

These numbers have been used in many sectors, and any business owner with a small business should understand their importance, so let’s dive right in and check them out. 

Understanding EIN And FEIN

This section will review the differences between an EIN number and a FEIN (Federal Employer Identification Number). 

We will examine their definitions, purposes, important distinctions, regulatory requirements, and the significance of having an EIN/FEIN for small business owners.

Before you read on, it is essential to understand that these two terms are the same, except EIN is a more modern way of referring to a tax id number, recently adopted by the IRS.

Uses of EIN and FEIN

Commonly referred to as tax id numbers, EIN and FEIN are used by the IRS to efficiently track employers to ensure their compliance with the tax code. 

EIN and FEIN are frequently used to report and monitor employment taxes, file tax returns, and meet other tax-related duties.

Legal Requirements for Obtaining an EIN/FEIN

Business Entity

A business must have a valid purpose for filing for an EIN/FEIN to receive one. 

A legal structure, such as a sole proprietorship, partnership, corporation, or limited liability company (LLC), is often required.

Tax Obligations

Businesses that employ people, operate as a partnership or corporation or meet other conditions must have an EIN/FEIN. It records employment taxes, files tax returns, meets tax obligations, and manages business taxes. 

Applying For An EIN/FEIN

Getting an EIN or FEIN is essential in establishing a company’s tax identification. 

In this section, we will walk you through the steps of applying for an EIN/FEIN, review the various application methods, review the necessary information and documents, and address frequent obstacles or issues that may emerge throughout the application process.

Step-by-Step Process for Getting Your Business Tax ID

1. Establish Eligibility 

Before you apply for an EIN/FEIN, ensure that you meet the eligibility criteria set by the IRS. Generally, small businesses, partnerships, sole proprietorships, corporations, and specific organizations, are eligible to apply.

2. Choose the Application Method

Select the preferred method to apply for an EIN/FEIN. The IRS offers three options: application through the IRS website, mail/fax, or application by phone.

3. Gather Required Information

Collect the necessary information required for the application. This typically includes the legal name and structure of the business, the responsible party’s personal information (e.g., name, social security number), business address, and other relevant details. 

4. Complete the Application

Fill out the appropriate application form, such as Form SS-4 (Application for Employer Identification Number). Provide accurate and comprehensive information to ensure a smooth application process.

5. Submit the Application

Submit the completed application through the chosen method (online through the IRS website, by mail, fax, or phone). Be sure to follow the specific instructions provided by the IRS for each application method, and soon enough, you will have your business tax ID.

Required Information And Documentation

You must have the required documentation before you get your business tax ID number. 

Business Information

Provide the legal name and organization of the company, in addition to the kind of entity (for example, corporation, partnership, or any sole proprietor).

Responsible Party Information

Include the responsible party’s personal information, such as their full name, their social security number (SSN), individual taxpayer identification number (ITIN), or employer identification number (EIN).

Business Address

Indicate the physical location of the business. A street address, city, state, and ZIP code may be included.

Additional Details

Depending on the nature of the business, additional information such as the reason for applying, the start date of the firm, and the number of employees may be necessary.

Uses And Benefits Of EIN/FEIN

This section will look at the numerous applications and advantages of having an EIN/FEIN for a firm. 

This federal tax ID number is essential for many elements of business operations, such as tax implications, to open a business bank account, as well as establishing business credit and reputation.

Use of EIN/FEIN in Business Operations

Tax Identification

The primary function of an EIN/FEIN is tax identification. It is required when submitting tax returns such as federal income tax returns, employment tax returns, and excise tax returns.

Employment and Payroll

Employers must utilize their EIN/FEIN to record and submit employment taxes such as Social Security and Medicare taxes, withholding from federal income taxes, and unemployment taxes.

Tax-Related Implications and Benefits

Separation of Business and Personal funds 

Obtaining an EIN/FEIN allows small business owners to separate their business and personal funds tax-effectively. This division simplifies tax reporting and helps to avoid difficulties or confusion.

Eligibility for Tax Deductions and Credits

An EIN/FEIN allows firms to claim several business-specific tax deductions and credits. Deductions for business-related travel, equipment purchases, employee benefits, and other expenses are included.

Opening a Business Bank Account with an EIN/FEIN

Legal Entity Recognition

Banks and financial institutions require firms to have an EIN/FEIN to open a company bank account. 

This identification number aids in establishing the business’s legal entity and provides accurate identification for banking and financial activities.

Finance Separation

Firms can separate their personal and business finances by opening a company bank account with an EIN/FEIN. 

This separation improves bookkeeping accuracy, streamlines financial administration, and improves overall corporate organization.


Getting a FEIN or EIN number is very important for organizations. It is a lengthy process for any small business entity, but by following the guide we provided, it can be done by anyone.

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