The following template may be sent to the employer for guidance. Please provide an official letter from the employer verifying the internship.You can use a standard business letter format with proper font, margins, and line spacing to write your letter of confirmation that includes:. Be Clear and Concise: Ensure that the letter is written in a clear and straightforward manner. Before an intern reports to work, you may want to confirm the internship information in writing. 1) Always do your very best. Do everything you can to make sure your work is comprehensive and complete. You can open an application to view all the materials you'll need before you submit. The City of San José is committed to offering reasonable accommodations to job applicants with disabilities. San Francisco, California.