The document contains two sample formal letters. The first letter is from Emily Kruszewska, secretary of the Middlesex Science Club, to an unnamed recipient.In this article, we explain what an official letter is and how to write one, plus we provide a template and example of an official letter for you to reference. Do include a name in the recipient's address. • Use a colon, not a comma, after the salutation. We can provide you with samples of court forms that are available. • We can provide you with guidance on how to fill out forms. In this article, we explain what an official letter is and how to write one, plus we provide a template and example of an official letter for you to reference. For reference, use the Letter Brief Sample or Formal Brief Sample. From a surety company authorized to do business in the State of New Jersey and acceptable to the Borough of Middlesex.