Below is a guide to submitting an application, and information to help ensure that you meet all requirements for employment with ICE. Complete Post-Arrival Check In e-form. 3.2. Once the department offers the employment to the student, the hiring department writes a job offer letter. The student will bring this letter to ISS. Employment Authorization Letter. Visit SLCC International Student Services. If you meet the requirements for the type of visa you're seeking, you must complete and submit the application and all required supporting documents. Application Steps. icon. You get the letter from an agency or law firm. Call company hiring you.