Learn how to write a short notice resignation letter with this stepbystep guide, template and examples of formal resignation. "Learn the essential steps and tips for writing a professional two weeks notice resignation letter.Dear Mr. Smith: Please accept this letter as official notice that I – John Doe – am resigning from the Sales Consultant position in the Sales Department at ABC. I am writing to inform you about my immediate resignation from your company. Can't give two weeks' notice? Here's how to write a short-notice resignation letter with examples and a template included.