US work visas requires the prospective employer to first file a petition with U.S. Citizenship and Immigration Services (USCIS). Complete Post-Arrival Check In e-form. 3.A job offer is required and the U.S. employer must file an Immigrant Petition for Alien Worker, Form I-140, on behalf of the applicant. As part of the interview I need to share a job offer letter. My employer wants to write it but needs to know what all should go inside the letter. There is an employer who said he is willing to offer me work if I have authorization to work. A sample letter offering a job contingent upon the results of a background check or other criteria. Discover videos related to How to File A Offer Letter or A Airport Job in Utah on TikTok. Following is the letter format I got from my attorney. Is this OK to carry.