What Should I Write in a Letter? ❒ Information About Yourself.Quickly learn what a Letter of Instruction is and how to write one (2024 updated). Plus, grab the free template so you can take action! Lettermotions may be made via ECF if they comply with the S.D.N.Y. Local. Rules and the S.D.N.Y. Electronic Case Filing Rules and Instructions. Fill out the Claim of Exemption form completely. Attach documentation to the Claim of Exemption to support the exemptions you are claiming. Before submitting a CDA-1, CDA-2 or CDEA application, applicants must have an approved letter of intent (LOI) that is valid for the review cycle. Learn more about the steps involved in coming to Clark, including orientation, applying for and obtaining your Visa, and arriving in the U.S..