The sample acknowledgement letters for receipt of payment provided below can be used as format templates for official and personal purposes. Begin with a professional letterhead or logo.Thank you for your prompt payment. 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. Fill out a Notice of Small Claim form. Hand in the completed form to the clerks at any King County District Court location. There can be a lot more to think about than just ending the marriage and filling out court papers. Western University, in vibrant London, Ontario, delivers an academic and student experience second to none. This is how we recommend acknowledging receipt of payment.