Learn how to write a short notice resignation letter with this stepbystep guide, template and examples of formal resignation. Be direct and to the point and, in the first sentence, acknowledge the receipt of their letter of resignation and formally accept it.Due to unforeseen personal reasons, I am unable to provide any notice. The employer has 10 working days from receipt of the request to give a truthful reason in writing for the termination. (See Minnesota Statutes 181.933). The assembly may decline to accept a resignation. Without the consent of the person resigning the date cannot be changed. Commence your letter with a formal salutation and a concise introductory paragraph. Without the consent of the person resigning the date cannot be changed. Quote. 2. How to write a short resignation letter?