Use Form I-765 to renew, replace or obtain proof that you are allowed to work in the United States. U.S. employers must check to make sure all employees, regardless of citizenship or national origin, are allowed to work in the United States. If you are not a U.S. citizen or a permanent resident, you may fall into a category of persons that is eligible for employment authorization (also known as a work permit or EAD). Other aliens who are authorized to work in the United States without restrictions must also use this form to apply for a document that shows such authorization.
Note sure about eligibility? See “Who is eligible for a work permit?”