To make the acknowledgment valid, it must include the words. "acknowledged before me.Learn what an acknowledgement receipt is and how to create one for your business (with a template and two examples). Explore the importance of acknowledgment letters in professional communication. Use our free template to acknowledge the receipt of emails, calls, or letters. We can provide you with samples of training acknowledgment letter templates should you be needing guides in creating this particular document. ACKNOWLEDGEMENTS. Acknowledgement taken in New York State. The attached application MUST be typewritten and signed. Return the certification statement no later than 30 days from the date of the letter to the address provided in the letter. Choose a file or drag it here.