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. At the request of and for the account of our customer (Applicant - Name and Address) the.In this article, you'll find some sample letters that you can use as an example when creating your own letters. Get your free copy here! What is your application number? Taxpayer filed her 2005 and 2006 federal income tax returns on February 16, 2009. These filings resulted in a tax liability she was unable to pay. If you are the owner of an affordable housing project and seek assessment under this special assessment program, you must complete the form applications. Links to all forms and worksheets used in the preparation and review of an RCS are provided (Appendix 95).