Add Comment Question: Employee Handbook/orientation Manual. Does the employer have to right to make changes/additions without notifying the employees. This manual is signed once a year by employees acknowledging that they have read it. Do they also have to acknowledge that they have understood it. Answer: If the change/addition to the handbook is a substantial change to the terms of your employment, you definitely want to speak with us before signing off. Give us a call at the number below. We would be happy to help in any way we can. Your Comment * Your Email * Your Name * Your City Note, your name, city and email is not displayed on the website. It is used to notify you that we have approved your comment.