Important information that should be in an internship offer letter. Post-Graduate Internship Programs.Design an application process that includes resume and cover letter submission and potential interviews to assess candidates' qualifications and fit. The internship offer letter should include the start and end dates of the internship, as well as the number of working hours per week. The US Department of State Student Internship Program is a paid internship with the opportunity to work in US Embassies and field offices throughout the world. An internship can give students vital professional experience. Learn how to apply for an internship and craft an engaging resume and cover letter. This program is designed to provide substantive learning experiences in a foreign affairs environment. CPT job offer letter; CPT recommendation letter from TMCC International Academic Advisor; Proof of registration for CPT internship credit. Please don't hesitate to reach out if you have any questions about this position.