The sample acknowledgement letters for receipt of payment provided below can be used as format templates for official and personal purposes. What do you need to include in your donation acknowledgment letter?Check out our cash acknowledgement template selection for the very best in unique or custom, handmade pieces from our templates shops. A good donation acknowledgement letter will show donors how much you appreciate their support and help them understand the impact their generosity will have. Thank you for your prompt payment. Edit, sign, and share online acknowledgement receipt online. No need to install software, just go to DocHub, and sign up instantly and for free. Check out our acknowledgement receipt of cash selection for the very best in unique or custom, handmade pieces from our templates shops. An acknowledgement agreement is a legal document formalizing some agreement between parties, similar to a memorandum of understanding. Include Essential Information: Date, parties involved, transaction details, and invoice numbers.