Overview of employment-based visa sponsorship for full-time international employees of Georgia State. Someone who wants to sponsor a prospective immigrant to Atlanta must first complete and sign Form I-864, often referred to as an "affidavit of support."When asking for visa sponsorship in a cover letter, be direct and professional. An employment verification letter for immigration (EVL) is one way to satisfy proof of employment requirements that are needed for various US visas. Please complete and submit this form to request the Agreement for the EB-3 Green Card Application for the Server position in Macon, Georgia. First Name(Required). "Yes, I need employer sponsorship to work within the United States. An initial H-1B sponsorship may be requested for up to three years. An extension application may be filed to allow for an additional three year period. File both forms at the location specified for the other application or petition.