How to Obtain an EIN in Idaho | A Comprehensive Guide

Obtain an EIN in Idaho

In starting an LLC in Idaho, it is crucial to understand the importance of an Employer Identification Number (EIN) and how it impacts your business operations. An EIN is a unique nine-digit number the Internal Revenue Service (IRS) assigns to businesses operating in the United States for identification purposes. This number is essential for running a business, such as filing taxes, opening bank accounts, and hiring employees.

This article will explore the complete guide to obtaining an EIN in Idaho and the responsibilities and requirements associated with having an EIN.

Webinarcare Editorial Team will help you understand the process of obtaining an EIN. You must be guided by all the factors gathered in this article.

EIN Definition and Purpose

To form an LLC, an EIN is necessary for your business. An Employer Identification Number (EIN) is a federal tax identification number used by the Internal Revenue Service (IRS) to identify businesses in the United States. It is similar to a Social Security Number (SSN) for individuals but is specifically designed for businesses. The main purpose of an EIN is to help the IRS track and administer taxes for companies.

In Idaho, businesses are required to have an EIN if they meet any of the following criteria:

  • Have employees
  • Operate as a Partnership or Corporation in Idaho
  • File tax returns for employment, excise, or Alcohol, Tobacco, and Firearms (ATF) taxes
  • Withhold taxes on income, other than wages, paid to a non-resident alien
  • Have a Keogh plan (a tax-deferred pension plan for self-employed individuals or unincorporated businesses)
  • Are involved with trusts, estates, real estate mortgage investment conduits, non-profit organizations, farmers’ cooperatives, or plan administrators

Recommended: With LegalZoom’s EIN service, obtaining your business’s crucial tax ID becomes a breeze, saving you time and effort by handling the complexities so you can quickly set sail on your entrepreneurial voyage. We recommend –

LegalZoom$79 (Standard Fee)

How to Obtain an EIN in Idaho

Obtaining an EIN in Idaho is a straightforward process; several methods are available to apply for one. However, if you want to be at ease with the process you can hire an LLC Services in Idaho, with add-ons of obtaining an EIN.

LLC Service

Rating & Pricing

Top Features

Learn More

#1 Recommendation

$0 + State fee

  • Free LLC Formation

  • 100% accuracy

  • Best Customer Service

$0 + State fee

  • Free LLC formation

  • Costly Ad-on services

  • Other Business services

Online Application Process

The easiest and fastest way to obtain an EIN is by applying online through the IRS website. The online application is available for businesses in Idaho and the rest of the United States.


To apply for an EIN online, follow these steps:

  1. Visit the IRS EIN Assistant webpage.
  2. Click “Apply Online Now” and follow the prompts to complete the application.
  3. Provide the necessary information, such as your legal name, trade name (if applicable), business address, and the responsible party’s Social Security Number or Individual Taxpayer Identification Number.
  4. Select the appropriate legal structure for your business (e.g., sole proprietorship, general partnership, corporation, etc.).
  5. Provide additional information as required, such as the number of employees, the reason for applying, and the primary business activity.
  6. Review and submit your application.

Upon successful completion of the application, you will receive your EIN immediately. Save or print a copy of the confirmation notice for your records.

Other Application Methods

If you prefer not to apply online or are unable to access the online application, you can also obtain an EIN through the following methods:

  • Fax: Complete Form SS-4 (Application for Employer Identification Number) and fax it to the appropriate fax number listed on the IRS website. You should receive your EIN within four business days.
  • Mail: Complete Form SS-4 and mail it to the appropriate address on the IRS website. The processing time for mailed applications is approximately four weeks.
  • Telephone: International applicants can apply for an EIN by calling the IRS at 267-941-1099 (not a toll-free number) from 6:00 a.m. to 11:00 p.m. Eastern Time, Monday through Friday.

After you have your EIN number, you can benefit in several ways. It will give your Idaho LLC the final advantage necessary to operate fully without legal or judicial issues.

If you have a Registered Agent, he can file an EIN for your business. Also, if you are planning to file for an LLC in Idaho, your Registered Agent should file for the Certificate of Organization in Idaho.

Uses of EIN in Idaho

An EIN must run a business in Idaho. Some of the primary uses for an EIN include:

Opening a Business Bank Account

Banks typically require an EIN to open a business bank account, which is essential for separating your personal and business finances. With a business bank account, you can accept payments, deposit funds, and manage your company’s finances more efficiently.

If you are planning a bank for your Idaho business, you can check out the Best Banks in Idaho, which offer the best combination of fees, services, and convenience for your business needs.

Filing State and Federal Taxes

Businesses in Idaho must file taxes with both the state and federal governments, and an EIN is necessary to report and pay these taxes. Your EIN is used on various tax forms, such as income tax returns, employment tax returns, and excise tax returns which you can pay in Idaho State Tax Commission.

Payroll and Employee Tax Reporting

If your business has employees, you will need an EIN to report wages and other compensation paid to your workers. Additionally, an EIN is required for withholding and remitting federal income and payroll taxes on your employees’ behalf.

If you hire an employee for your business, you must request that your employees complete the following forms:

  • Employment Eligibility Form
  • Federal Tax Withholding Form
  • W-4 Form
  • Workers Compensation Claim Form
  • Disability Self-Identification Form
  • U.S. Citizenship and Immigration Services Form

Applying for Business Licenses and Permits

An EIN is often required when applying for business licenses and permits in Idaho. These licenses and permits may be necessary for various aspects of your business operations, such as zoning approval, health permits, or sales tax registration.

In Idaho, business license fee costs around the range of $50 – $300. You can check out Idaho Business Licenses to learn more about licenses and permits.

Establishing Credit and Securing Loans

An EIN can help your business establish credit, as it serves as an identifier for your company in the eyes of financial institutions. Additionally, lenders may require an EIN when applying for business loans or lines of credit.

Responsibilities and Requirements for EIN Holders in Idaho

As an EIN holder in Idaho, you are responsible for several tasks related to maintaining and managing your EIN. Some of these responsibilities and requirements include:

Updating the IRS on Changes to Business Information

If your business undergoes significant changes, such as a change in address, legal structure, or a responsible party, you must inform the IRS by filing the appropriate forms. This ensures the IRS has accurate and up-to-date information about your business and can properly administer taxes.

update my information

You can go to the Update My Information website of the Internal Revenue Service.

Required Tax Filings and Payments

With an EIN, your business is responsible for filing various tax returns and making tax payments to federal and state governments. Be informed about the specific tax obligations for your business type and industry in Idaho.

To keep your business in good standing in Idaho, you must file an Annual Report with the Idaho Secretary of State. The annual report provides updated information about your LLC, such as changes in address, members, or Registered Agent.

Record-Keeping Requirements

Proper record-keeping is essential for businesses with an EIN, as it helps ensure accurate tax reporting and compliance with laws and regulations. Maintain records of your company’s income, expenses, and other financial transactions to facilitate accurate tax filing and minimize potential issues with the IRS.

Establish a reliable accounting system to track income, expenses, and tax obligations. You can manage your finances using spreadsheets, accounting software, or hiring a professional accountant.

Closing an EIN Account

Suppose your business ceases operations or no longer requires an EIN. In that case, you must notify the IRS by submitting a letter containing your complete legal name, EIN, business address, and the reason for closing the account. This allows the IRS to update its records and prevent future tax-related issues.

cancel EIN

If you have a copy of the EIN Assignment Notice that was issued when your EIN was assigned, include that when you write it to the IRS with the below mailing address:

  • Internal Revenue Service MS 6055 Kansas City, MO 64108
  • Internal Revenue Service MS 6273 Ogden, UT 84201

Or, you can check out Canceling an EIN via the IRS for further information.

Common Issues and Solutions for EIN in Idaho

Business owners in Idaho may encounter issues related to their EIN, such as losing or misplacing the number, incorrect information on the EIN application, or changes in business structure or ownership. Here are some solutions to common EIN-related problems:

  • Lost or Misplaced EIN: If you lose or misplace your EIN, you can contact the IRS by calling their Business & Specialty Tax Line at 1-800-829-4933. The IRS representative can provide you with your EIN after verifying your identity.
  • Incorrect Information on EIN Application: Suppose you discover an error on your EIN application, such as an incorrect business name or address. In that case, you can correct the information by submitting a letter to the IRS detailing the changes. Be sure to include your EIN, the incorrect information, and the correct information in your letter.
  • Change in Business Structure or Ownership: If your business undergoes a significant legal structure or ownership change, you may need to obtain a new EIN. Consult the IRS guidelines to determine if a new EIN is necessary.
  • Dealing with Identity Theft or Fraud: If you suspect your EIN has been compromised or used fraudulently, immediately report the issue to the IRS. The IRS can guide you through the steps to secure your EIN and protect your business from potential tax-related issues.

State-Specific EIN Information and Resources

To further assist businesses in Idaho, here are some state-specific resources and information related to EINs and taxation:

  • State Tax Agency Information: The Idaho state tax agency can provide information on state tax requirements, forms, and filing deadlines. Be sure to familiarize yourself with the state tax obligations for your business type and industry.
  • Business Registration Requirements: In addition to obtaining an EIN, businesses in Idaho must also register with the appropriate state agencies. This may include registering your business name, obtaining necessary licenses and permits, and registering for state taxes.
  • Employer Tax Obligations and Filings: Employers in Idaho must comply with various state tax obligations, such as withholding state income tax from employee wages and reporting these withholdings to Idaho State Tax Commission. Research your business’s specific employer tax requirements in Idaho.
  • Local Resources and Assistance for Businesses in Idaho: Many local organizations and government agencies in Idaho offer resources and assistance for small business owners. These resources may include business counseling, training, and financial assistance programs.

Do I Need to Apply for an EIN If I Also Have Business In Other States?

Yes, if you are operating a business with employees, have a corporation or partnership, or are required to file employment, excise, or alcohol, tobacco, and firearms tax returns, you will need an EIN (Employer Identification Number). If your business operates in multiple states, you only need one EIN for federal tax purposes. However, you may need to register for state-specific tax identification numbers in each state where you conduct business. Check with the Idaho State Tax Commission to determine their requirements.


What is the EIN in Idaho?
EIN stands for Employer Identification Number issued by the IRS, even in Idaho.
Who needs to obtain an EIN in Idaho?
Business entities, including sole proprietors, in Idaho that plan to hire employees, file federal tax returns, or submit withholding taxes should obtain an EIN.
Is obtaining an EIN in Idaho mandatory?
Obtaining an EIN in Idaho is mandatory for business entities that meet the requirements.
How can I apply for an EIN in Idaho?
You can apply for an EIN in Idaho electronically or by mail, phone, or fax.
Can I apply for an EIN in Idaho online?
Yes, you can apply for an EIN in Idaho online through the IRS website.
Is there a fee for obtaining an EIN in Idaho?
No, there is no fee for obtaining an EIN in Idaho.
How long does it take to obtain an EIN in Idaho?
You can get an EIN in Idaho immediately when you apply online or may take several weeks by mail.
Do I need a Social Security Number to obtain an EIN in Idaho?
An individual that is the owner of the business entity will generally need an SSN to obtain an EIN in Idaho.
Do Idaho employers need an EIN for state tax purposes?
No, Idaho employers apply directly through Idaho and pay state taxes, but still need an EIN for federal records.
Do foreign companies operating in Idaho need an EIN?
Yes, any foreign company operating in Idaho and having a legal presence in the US will need an EIN.
Can I apply for an EIN for a nonprofit organization in Idaho?
Yes, non-profit organizations located in Idaho as well as across the states will have to obtain an EIN.
Can I use my EIN for multiple businesses in Idaho?
No, you have to obtain separate EINs for distinct entities doing different business in Idaho.
Where can I find more information about obtaining an EIN in Idaho?
You can find more information about obtaining an EIN in Idaho through the IRS website.
Can I use my previous EIN number in Idaho for a new business entity?
No, you can’t reuse the EIN once used before and instead need to apply separately for each entity.
If I’m a sole proprietor with no employees, do I still need an EIN in Idaho?
It isn’t necessary to have an EIN unless partners or other employees such as LLC files different tax returns.
What if I need to change information with my Idaho EIN number online?
Business in Idaho may use the online portal for updating changes at minimal no cost.
Can I apply for an EIN by phone in Idaho?
Yes, the IRS tax office will provide you an EIN by telephone.
How long is an EIN valid in Idaho?
EIN is issued once, so, in general, it hardly ever would cease to become valid for a specific entity.
How do I cancel an EIN in Idaho?
Call the IRS Business and Specialty Tax Line for a discontinuance of the Idaho EIN number.
Can I apply for an EIN for my estate in Idaho?
Yes, any executors managing a decedent estate in Idaho will require an EIN.
Can someone else apply for my business with my direction in Idaho?
Yes, an employee, advisor, or third-party representative, may apply with your authorization via mail or electronic approval.
What is an attorney EIN in Idaho?
An attorney organization that meets the IRS foreign agent requirements organized under Idaho state law can have an EIN.
Can a deceased person’s Idaho EIN number still exist?
A deceased commercial business would still need its accreditation, which previously designated by the entity.
Do partnerships need their unique EIN in Idaho?
Yes, the firm will need an EIN entirely depending on their requirements of filing tax returns to assigned SSNs.
Can I request an EIN correctly from a different state other than Idaho?
Business organizations should apply for an EIN according to how they were established to operate intending that state laws of formation may change the answer.
Who do I call if I forget my EIN number in Idaho?
You are not obligated to acquire or remember the EIN attached to the Idaho state, as long as you maintain the filed documents with the IRS.
Can I operate a business outside Idaho with an Idaho EIN number?
Yes, you can operate with an Idaho-based EIN except when incorporated by another state; still, both corporations capture the EIN.
Can a non citizen in Idaho own a business?
Yes, but you can’t generally handle the company from outside the U.S needs an ITIN to ascertain correctly how the company intends to perform.
Do Idaho banks need an EIN?
Banks in Idaho that just handle their personnel income tax revenue classified according to a W9 generally use the bank’s information and not EIN protocol.
Should I request a new Idaho EIN if there is a change in members?
Changing members can cause the company to classify them as a type of different company; thus, the state will require new labels, and therefore a new EIN may be allotted.

Also Read

How to Save Money While Getting Ein for Idaho LLC

However, registering an LLC in Idaho can come with a price tag. Fortunately, there are ways to save money while still getting everything you need to register your business properly. Here are some tips on how to save money while getting an EIN for your Idaho LLC.

One of the first steps in registering your LLC is obtaining an Employer Identification Number (EIN) from the Internal Revenue Service (IRS). This is a unique nine-digit number that is used to identify your business for tax purposes. While there are businesses that charge a fee to obtain an EIN on your behalf, it is actually quite simple to obtain one for free directly from the IRS.

To do this, visit the IRS website and complete the online application for an EIN. The process is quick and easy, and you will receive your EIN immediately upon completion. By obtaining your EIN directly from the IRS, you can save money that would otherwise go towards paying a third-party service.

Another way to save money while registering your Idaho LLC is to do your own research and paperwork. While it may be tempting to hire a lawyer or a business service to handle all of the registration requirements, this can be costly. Instead, take the time to educate yourself on the registration process and fill out the necessary paperwork yourself.

There are many resources available online that can guide you through the registration process step-by-step. By taking the time to do your own research and paperwork, you can save money on unnecessary legal fees or service charges.

Additionally, consider shopping around for the best deal on any required services, such as a registered agent. A registered agent is a person or company that is designated to receive official legal and tax documents on behalf of your LLC. While using a registered agent is required in Idaho, you can shop around to find the best price. Don’t just settle for the first option you come across – take the time to compare prices and services to ensure you are getting the best deal.

Overall, starting a business and registering as an LLC in Idaho doesn’t have to break the bank. By taking the time to research the registration process, obtaining your EIN directly from the IRS, and shopping around for the best deals on required services, you can save money while still getting everything you need to properly register your business. So, take control of your LLC registration process and start saving money today.


Understanding the importance and uses of an EIN in Idaho is crucial for the successful operation of your business. By obtaining and maintaining your EIN, you can ensure compliance with federal and state tax laws, establish a strong financial foundation for your company, and access various resources and opportunities for growth. Be sure to utilize the available resources and support for businesses in Idaho to maximize your chances of success.

Leave a Comment