For example, "Please complete and return ... Make sure to insert your enclosures along with your letter prior to mailing. Similarly, if sending an email be sure to actually attach your documents.

Here are a few examples for your reference ... If you have documents attached with the letter, include a list of enclosures after the signature. When you use a standard business letter format ...

Included with his letter, however, was a document that clearly came from my file in the Development Office, a document that had been enclosed by mistake. Among other things, this enclosure ...

If you are including any additional documents pertaining to the letter, make a list of those enclosures after your ... Here are a few examples for your reference. Here is an example of a business ...