Department of Commerce. Add contact details, company name, and date.Step 1: Review the available forms in the column to the right and download the appropriate PDF. Fill out the PDF and save a copy. On this site you will find a sample resignation letter. When you resign, you can use that letter exactly as it is, you can edit it to fit your own tastes. Salt Lake City, often shortened to Salt Lake or SLC, is the capital and most populous city of the U.S. state of Utah. I trust my resignation will be handled promptly and respectfully, without any attempts for additional "runarounds" interviews, etc. Follow proper business letter format in writing your resignation letter — just as if you were writing a cover letter seeking a new job. Salt Lake City Regional Benefit Office 550 Foothill Dr Salt Lake City, UT 84158.