An Alien Registration Number is a 7, 8, or 9 digit number that is assigned to non-citizen aliens when their immigration file is created.

This number is very important. It may be referenced in a variety of situations, such as:

Alien registration numbers are often called by other names, such as ARN, Alien Number or A-number.

Where Can the Alien Registration Number Be Found?

The worker’s A-number may be listed on a number of different documents, including:

  • Permanent Resident Card (Form I-551)
  • Employment Authorization Document (Form I-766)
  • U.S. Machine Readable Immigrant Visas

What Are Some Legal Issues Associated with Alien Registration Numbers?

Perhaps the most common legal issue involved with Alien Numbers it that of immigration fraud, especially in the context of immigrant employee documentation. In some cases, a non-citizen may be in possession of a forged document that lists either a fake or a stolen alien registration number. This is a serious violation that can be met with serious consequences, namely removal (deportation) from the U.S.

In addition, employers who knowingly approve of or support the use of a forged alien registration number or document may face legal penalties as well. These may include a loss of business license, fines, and even criminal consequences.

Employers may run a check of a worker or an applicant’s alien registration using computerized systems such as the E-Verify system. These generally allow the employer to see immediately whether or not an A-number is valid.

Do I Need a Lawyer for Help with an Alien Registration Number?

Alien registration numbers are a very important aspect of one’s immigration status and privileges. You may need to hire an immigration lawyer in your area if you or a loved on of yours has any questions regarding an alien number. Your attorney can help you obtain an ARN, and can help review all your documents to ensure that they are correct and accurate. Also, if you need at attend any court sessions related to an immigration issue, your lawyer can provide you with representation for those as well.