Add Comment Question: I was ask by my long term disability to apply for cppd but also they want me to sign a letter saying they can estimate my cppd and maybe they will deduct from my long term before I am approved should I sign Answer: I'm going to email you about this directly. 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.