Another thing - ncees states if you have pencil marks in your books you should photocopy them or highlight over... I don't see how making a copy and handwriting on it is any different.
What is the issue with pencil marks in reference material??
Oh boy, here we go.
This was discussed at some length here last year. I'm not sure it if a consensus was ever made as no NCEES reference to preexisting pencil marks were found. My feeling/fear is that, if during the exam, you accidentally bring your pencil to your reference material and the proctor sees, he/she may ask to see your material. If you have pencil marks in your reference material, you can't prove that were weren't writing in there during the exam. If however, your notes are in pen and/or highlighted pencil, you'll have an easier shot at showing the proctor you're not trying to cheat.
My notes are all in pen and highlighted pencil. During the exam I will try not to bring the pencil anywhere near my reference material. I might be paranoid, but I'm not going to risk it. I don't want to give the proctor a reason to be interested in me. If you get booted from the exam and the proctor was wrong, you still got booted from the exam.