I have an SSN, can I also have an ITIN?
- Just Breve
- 12 minutes ago
- 2 min read

Understanding the Relationship Between SSN and ITIN: Can You Have Both?
Introduction:
For individuals navigating the US tax system, understanding the distinctions between a Social Security Number (SSN) and an Individual Taxpayer Identification Number (ITIN) is essential. While both serve as taxpayer identification numbers, they are issued for different purposes and eligibility criteria. In this article, we'll explore whether it's possible to have both an SSN and an ITIN and the implications of having both taxpayer identification numbers.
SSN vs. ITIN: What's the Difference?
1. Social Security Number (SSN): An SSN is a nine-digit identification number issued by the Social Security Administration (SSA) to US citizens, permanent residents, and certain temporary residents with employment authorization. It serves as a primary means of identification for tax, employment, and social benefits purposes.
2. Individual Taxpayer Identification Number (ITIN): An ITIN is a nine-digit identification number issued by the Internal Revenue Service (IRS) to individuals who are not eligible for an SSN but have a filing requirement or need to report income to the IRS. ITINs are primarily used for tax reporting and compliance purposes.
Can You Have Both an SSN and an ITIN?
The short answer is no. The IRS prohibits individuals who are eligible for an SSN from obtaining an ITIN. Therefore, if you have an SSN, you are not eligible to apply for an ITIN. Conversely, if you are not eligible for an SSN, you may apply for an ITIN to meet your tax reporting obligations.
Implications of Having Both SSN and ITIN:
Having both an SSN and an ITIN is not permissible under IRS regulations. Attempting to obtain an ITIN when you already have an SSN or vice versa could result in penalties, including rejection of your application or revocation of one of the taxpayer identification numbers.
If you were issued an ITIN in the past but later became eligible for an SSN (e.g., through obtaining US citizenship or permanent residency), you should notify the IRS and discontinue using the ITIN for tax purposes. Failure to do so may result in complications when filing taxes or applying for government benefits.
Conclusion:
While both SSNs and ITINs serve as taxpayer identification numbers, they are issued for different purposes and to different categories of individuals. If you have an SSN, you are not eligible to obtain an ITIN. Conversely, if you are not eligible for an SSN, you may apply for an ITIN to meet your tax reporting obligations. Understanding the distinctions between SSNs and ITINs can help you navigate the US tax system and ensure compliance with IRS regulations.
Just Breve can assist in clarifying on whether you meet the eligibility criteria to obtain an ITIN, if you do not have an SSN. Get in touch today:
Email: info@justbreve.com
Tel: 0208 1444632




Comments