Leaving a job isn't easy. Learn what a director resignation letter is, discover a template and review multiple examples to reference when writing your own letter.A short resignation letter is the way to go. Include your name, position, the date of resignation and the intended last day of work in the first paragraph. 1. Enter the date on the letter. Director Resignation Letter Format. A simple resignation letter format includes a resignation statement, an appropriate notice period, and an expression of gratitude. For a change of employment, provide your current CPT end date in the CPT application. No need to fill out the Change of CPT End Date request form. Phoenix Raceway is a 1.000 mi (1.609 km) dogleg oval track in Avondale, Arizona.