Notice and Acknowledgment of Receipt (FL-117). This letter acknowledges receipt of your appeal on date.An Appeal Coordinator will begin the research and be in touch with you. The document is a letter acknowledging receipt of a verbal complaint. It summarizes the complainant's issues, confirms an investigation will be conducted. Learn what an acknowledgement receipt is and how to create one for your business (with a template and two examples). A complete notary acknowledgment includes the name(s) of the parties that the notary witnessed sign the document. Must be complete names for each signor.