Learn how to write a response to a resignation letter and use our examples and template to help you write your own. Keep the acknowledgement with you.We recommend using a Return of Company Property Letter that can be sent to employees so that they know what property they have and how to return it. Chicago tenant law requires 48 hours notice for entry except for what is deemed an emergency. Get tips on how to leave your company the right way. Sales Recruiters Chicago discusses the proper way to resign from a job. We will discuss this with you further. This law applies regardless of where the property is located.