This article will cover some pointers for writing a flawless resignation letter for graduate studies. A resignation letter should be short and to the point.Simply explain why you're leaving and the date of your departure. Learn how to write a 30day resignation letter stepbystep and review sample letters and a template to help you get started on yours. A simple resignation letter format includes a resignation statement, an appropriate notice period, and an expression of gratitude. "I am tendering my resignation effective (date). Please arrange with HR on my behalf for the appropriate paper work for that time". Provide written notice of resignation or intent to retire to supervisor. For a notice of resignation, a minimum notice of ten (10) working days is requested. Clearly state your intention to resign and mention your current position.