July, 16

US Army EIN: Everything You Need to Know

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US Army EIN. These four words may not mean much to the average person, but for those who have served in the US military or are familiar with its administrative procedures, they hold significant importance. An EIN, or Employer Identification Number, is a unique nine-digit number that identifies a business entity. In this case, it identifies the US Army as an employer and serves as a way to track financial transactions related to personnel and equipment.

For those unfamiliar with military jargon and acronyms like EINs, it can be overwhelming trying to navigate through all of the different terms used by various branches of service. However, understanding some basic administrative procedures is crucial when discussing any organization's structure and responsibilities.

In this article about US Army EINs we will delve into what exactly an Employer Identification Number is within the context of the United States Armed Forces' employment practices. We will explore why these numbers are important for tracking finance-related activities within army units both domestically and abroad.

Read on to learn more about how these seemingly insignificant digits play an essential role in keeping track of one of our nation's most significant institutions – The United States Army.

US Army EIN: What You Need to Know

If you're looking to work with the United States Army, you'll need an Employer Identification Number (EIN) for tax purposes. In this article, we'll cover everything you need to know about getting a US Army EIN.

What is a US Army EIN?

An EIN is a nine-digit number assigned by the Internal Revenue Service (IRS) that identifies your business or organization for tax purposes. It's also known as a Federal Tax Identification Number and is required if your company has employees or if it operates as any of these entities:

  • Corporation
  • Limited Liability Company (LLC)
  • Partnership
  • Sole proprietorship

The US Army requires companies that do business with them to have an active and valid EIN.

How do I get a US Army EIN?

Getting an EIN from the IRS is easy and free. You can apply online, by mail, fax or phone.

Online Application

To apply online:

  1. Go to the IRS website.
  2. Click on "Apply for An Employer Identification Number".
  3. Follow the prompts.
  4. Once done, save your confirmation letter.

Mail-in Application

If applying via mail-in application form SS4.pdf:

  1. Download Form SS-4 from
    2 .Fill out all lines including reason requesting ein in box 7.
    3.Attach documentation supporting reason in line 7a-d next page of form ss4.pdf
    5.Mail completed Form SS-4 along with other supporting documents shown on instructions of form ss9,
    6.Wait approximately four weeks before receiving your new number by mail.

Phone Application

To apply over-the-phone call (800)-829 -4933 Monday-Friday between 7am -10pm local time within USA only

Note: If you plan to apply for an EIN online, you must have a valid Taxpayer Identification Number (TIN) such as a Social Security Number (SSN), Individual Tax Identification Number (ITIN), or an Employer Identification Number of another company.

Benefits of Having a US Army EIN

Having a US Army EIN has many benefits, including:

  1. Legal Protection: An EIN separates your personal and business finances and protects your personal assets in case your business incurs debt or gets sued.

  2. Hiring Employees: Having an active and valid EIN is necessary if you plan to hire employees.

  3. Establishing Business Credit: With an active and valid EIN, it's easy to establish credit under the name of your business.

  4. Applying for Permits & Licenses: Some permits require businesses with employees have a Federal Employer ID number before they can apply or be approved.

5.Taxation : A US army ein is required by companies working with the military department , If you are looking at bidding on government contracts specifically those from DOD Department Of Defense You would need that identification number.

Tips For Getting A US Army Ein

Here are some tips when getting your US Army EIN:

  • Make sure all information provided during application process matches accurately with supporting documentation
  • Double check/proofread everything’s correct before submitting
  • Ensure that there is no fraudulent activity attached to any documents submitted in support of reason requesting Ein
  • Keep records organized/presentable so it’s easier come tax season


Getting a U.S army ein isn't difficult but can seem intimidating at first glance . The IRS has made the process simple – just follow these steps outlined above! Remember, having an active and valid U.S army ein provides various legal protections while making ready access towards bidding on government contracts within DOD Department Of Defense


What is a US Army EIN?

A US Army EIN, or Employer Identification Number, is a unique nine-digit number assigned by the Internal Revenue Service (IRS) to identify businesses and organizations for tax purposes. This includes the United States Army. The EIN serves as a way for the IRS to track taxes that need to be paid by army units and other military organizations.

The US Army uses its EIN to file tax returns, pay taxes owed, and report business financial information. It also provides identification for certain types of transactions such as opening bank accounts or applying for loans.

If you are an individual seeking employment with the United States Army, understanding what an EIN is can be beneficial in understanding how payroll processing works within government institutions.

How do I find out my US Army unit's Employer Identification Number?

Each individual unit within the United States Military has its own unique Employer Identification Number (EIN). In most cases, these numbers are not publicly listed so it may take some effort on your part to obtain this information if you need it.

One option is reaching out directly to your commanding officer or Human Resources representative who should have access to this information.

Another option would be contacting either DFAS (Defense Finance Accounting Services) or IPACs (Installation Personnel Administration Centers) which are responsible for paying active duty military personnel; they may have records that include relevant details like unit codes and employer identification numbers which could help provide you with more specific details about your particular military organization’s financial structure.

Can I use my personal Social Security number instead of my Unit's Employer Identification Number when completing forms related  to employment in the U.S. army?

No! Do not use your personal social security number on any forms related to U.S army job applications etc.. Instead use only official documents provided by HR representatives at recruitment centers since these will contain all necessary identifying info including: name(s), date of birth, social security number and EIN.

Using your personal social security number in lieu of the unit's EIN can lead to complications with payroll processing and taxes. It is important to ensure that all necessary information is included on any forms you fill out for employment purposes within the U.S Army.

Can I look up a US Army Unit’s Employer Identification Number (EIN) online?

In general, it is not possible to look up a US Army unit’s Employer Identification Number (EIN) online. These numbers are considered confidential and are not publicly available on government websites or other public databases.

There may be some limited exceptions where certain types of military financial data could be accessed by civilians under Freedom of Information Act requests but this would likely require considerable effort both in terms of time spent researching applicable regulations as well as crafting effective FOIA requests specifically tailored towards obtaining this type information from military sources.

What happens if I use an incorrect US Army EIN when filling my tax return?

If you use an incorrect EIN when filing your tax return, it could cause problems with processing your payment or refund. This can lead to delays in receiving payments owed or even penalties assessed by the IRS for incorrectly submitting financial data.

It is important to ensure that all identifying information including but not limited to: name(s), date(s)of birth, social security numbers etc.. matches official records provided through channels like HR representatives at recruitment centers before submitting any paperwork related either directly indirectly towards U.S army employment opportunities

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