EIN Reference Number 101 to 115 (and How to Resolve Them)
What is EIN Reference Number 101 and what is EIN reference number 115? If you take the error of 101...
Knowledge Base
EIN and ITIN Knowledge Base
All our guides on U.S. tax numbers in one place: ITIN and Form W-7, EIN and Form SS-4, IRS letters, U.S. bank accounts and company setup for non-U.S. residents.
143 articlesPlain-language guides to the two U.S. tax numbers non-residents ask about most. An ITIN is the IRS number for a person who cannot get a Social Security number; it is applied for on Form W-7. An EIN is the IRS number for a business, trust or estate; it is applied for on Form SS-4. The IRS charges nothing for either.
Start Here
- The complete ITIN guide: who needs an ITIN and how to apply
- How to apply for an EIN number: online, by fax, by phone or by mail
- How to get an EIN without an SSN: for foreign owners of U.S. companies
- ITIN vs EIN: which number you need
- Frequently asked questions: short answers about both numbers
Prefer to have the paperwork done for you? See our ITIN application service and EIN application service.
A Complete Guide for EIN Letter Example
Why do you need an EIN Letter Example? Can you write an EIN letter yourself? When starting a business in...
How to Cancel EIN? Steps to Cancel Your EIN with the IRS
If you decided to cancel EIN number for a closed or restructured business, follow this clear guide. You’ll learn the...
TIN vs ITIN: What Is the Difference?
TIN vs ITIN is one of the most frequent questions among non-U.S. taxpayers, freelancers, and foreign business owners entering the...
ITIN vs SSN: What Is the Difference?
The difference between ITIN vs SSN has a vital importance for anyone who earns U.S.-source income, opens a bank account,...
Can You Buy a House With ITIN Number? (Full 2025 Guide)
To buy a house with ITIN number is not only possible but also becoming more common among immigrants and non-citizens...
How to Check My ITIN Status Online in 9 Steps?
Navigating the complexities of tax identification can be daunting, yet understanding how to Check My ITIN Status Online can demystify...
How to Apply for EIN Number Online? (Step-by-Step Guide)
One of the steps of establishing a company in the United States is to start the EIN application process to...
How Do You Change Your Business Address with IRS?
“How Do You Change Your Business Address with IRS?” We have comprehensive answers to the question of how do you...
How to Start and Register a Company in the USA (Step-by-Step Guide for Foreigners)
How to start a company in the USA? If you wonder about the question “How to Register a Company in...
Can I Get an EIN Without an LLC?
Have you been asking your self Can I Get an EIN Without an LLC? Well, you’ve come to the right...
What Documents Are Needed to Form a US Company?
Whether you’re starting a new business or you’re thinking of forming a US Company, there are some important documents you...
EIN Reference Number 101 to 115 (and How to Resolve Them)
What is EIN Reference Number 101 and what is EIN reference number 115? If you take the error of 101...
What Is 147C Letter and What Is It Used For?
The 147c letter, in other words, the form 147c, is a document, sent to the business owner by the IRS...
What Is W 7 Form: Application for IRS Individual Taxpayer Identification Number?
W 7 Form is one of the most basic documents you will need when applying for an ITIN. IRS Form...
How to Start and Register a Company in the USA (Step-by-Step Guide for Foreigners)
How to start a company in the USA? If you wonder about the question “How to Register a Company in...
What is needed for incorporating a company in Delaware?
In the US, there is not a general rule on how is incorporating a company across the country, instead, there...
List of US Banks
List of national banks – National Banks are those who complies with the policies drafted by the government to serve...
Do You Need an EIN to Sell or Work on Amazon?
Do you need an EIN to sell on Amazon? Selling on Amazon opens the door to a massive marketplace, but...
Can You Work at Amazon with ITIN Number?
Finding employment in the United States can be difficult if you do not have a Social Security Number (SSN). Many...
Are you a Seller on Amazon? There is what you need to know about filing Tax Returns.
As a non-US resident, do you sell goods on Amazon? Do you do dropshipping? Then you might be wondering whether...