[header] How to note enclosures in a letter [title] Close your letter. [step] The enclosure notation occurs after the closing and signature of your letter. Use a complimentary closing such as " sincerely " or " yours truly, " leave space for your signature, and then type your name. 
[substeps] Generally, your closing might be more familiar if you are on more personal terms with the recipient. For example, if you are writing to your best friend's father, you might use a more informal closing such as " kind regards " or " best wishes.