If you are aged 14-17 you will need an employment certificate, also called working papers, in order to hold a job in New York State. USCIS will mail your work permit to the address you provided in your application.Applicants seeking a work permit on the basis of being self-employed should complete Parts I and II of this form. The majority of construction requires a Department of Buildings permit. DOB Job Application Filings. The I9 form is intended to help the employer and the employee in the process of verifying employee's eligibility to work, or be employed, in the United States. If you are a minor and would like to work, you can apply for working papers. You can get an application from a local public high school. 1986, which requires King County to only employ individuals authorized to work in the United States. Photocopying the documents does not relieve the Work Authorization Compliance Coordinator from completing Section 2.