The following template may be sent to the employer for guidance. Please provide an official letter from the employer verifying the internship.In this article, we discuss how to write a conformational letter, look at sample templates for formal and informal confirmation letters and share some tips. I am writing this letter to assess your performance during your internship period here at Phoenix Digital's IT Department. Please find the following confirmation. Have the internship supervisor fill out pages 2-4 and sign. Confirm that DPS has your SSN and that it is correct. Confirm that Teacher Certification is checked on your file as the sponsor. 2. ABS Student Internship Evaluation Form. This form is for you (the student) to assess your internship experience.