Resignation acceptance letter template. Dear Sir, Received your mail confirming the acceptance of my resignation.Thanks for the acceptance. I am writing to inform you that I will be resigning from my current position, X at X, effective immediately. Please accept this letter as formal notice. The following are examples of letters from a manager accepting an employee's resignation. Use these examples to help you write your own letter. Hi, On 24Aug07, I have resigned from organization given 15 Days of notice period i.e. I served the organization till 08Sep07.