Add Comment Question: I’m applying for CPPD and am unsure of what to put as my DOO. Should I try to show them how my disability has worsened over time or just talk about when I became unable to work? 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.