Learn what an acknowledgement receipt is and how to create one for your business (with a template and two examples). Edit, sign, and share acknowledging payment online.No need to install software, just go to DocHub, and sign up instantly and for free. The sample acknowledgement letters for receipt of payment provided below can be used as format templates for official and personal purposes. Thank you for your prompt payment. Learn how to write a proof of rent payment letter for your tenants in minutes. Download our free proof of payment letter to use right away. I am writing to confirm my acceptance of your employment offer on April 20 and to tell you how delighted I am to be joining XYZ Corporation in Chicago.