The sample acknowledgement letters for receipt of payment provided below can be used as format templates for official and personal purposes. Dear (Recipient's name), I hope you are well.An acknowledgment is one of the most common types of notarial acts, but it often confuses Notaries. Here are 5 steps to performing an acknowledgment. If you are writing with a request, information or invitation, address your letter to the Royal's secretary or Equerry. Fill out a Notice of Small Claim form. Hand in the completed form to the clerks at any King County District Court location. After filing online, you will receive an email filing acknowledgement with your filing receipt attached in PDF format. Letter of Recommendation.