In this article, we explain what an enclosure is and how to cite one, and we provide an example of an enclosure in a business letter. You will be required to have the following: • Two complete sets of plans with City Zoning approvals.Add an enclosure notation after your signature at the end of the letter, and abbreviate it with "Enc." or "Encl. The last line of any foreign address should be the country name spelled out in capital letters, in English. Foreign postal codes, if used, should be placed on. Prepare samples to match BSO's sample where soindicated. Display information to show the following information: (a). Custom point label (must include location information). (b).