It's time to quit the job, and you're not giving two weeks' notice. Here's how to politely write a resignation letter, effective immediately.Dear Mr. Kendricks,. Ready to resign from your job? This blog is here to guide you through the pivotal steps to take for a smooth and professional departure. Resignation letters are business documents, so open with a formal "Dear" and conclude with an appropriate closing such as "sincerely yours. Give sufficient notice. In the opening paragraph, clearly state that you are resigning from your position. This letter is to inform you that I am resigning from my position as (job title) with (company name), effective (date). State your intention to resign: Clearly state in the opening paragraph that you are resigning from your position.