I will share a link with you which gives you further information in this regard
Are you a permanent resident alien, as in, do you have a green card?
No, I don't have a green card and am not permanently resident here
Can it happen that I am informed that I no longer qualify for federal student aid?
You can access the information about regaining your eligibility on the relevant section of the website
Are there any pointers that you can give me to staying eligible for federal student aid?
We have a section on the website entitled "Learn How to Stay Eligible", which will give you all the relevant information
Who is eligible to qualify for federal student aid?
Most US citizens or eligible noncitizens are eligible for financial aid. All applicant should keep up to date with the criteria involved, understand the different programs that are available, learn how to stay eligible for financial aid and also how to get eligibility back if it is lost
What are the criteria involved in non-US citizens becoming eligible for federal student aid?