Before doing NOTS, past auditing has to be checked for errors. Criticism of some auditors. Detailed explanation about checking past auditing. Paperwork needed for the procedures. By asking demons where they have gone some problems can be handled.
Demons have misconceptions about being stuck to a body or other demons.
What a person considers his body is in a sense made up entirely of demons. According to LRH all space isn't actually full of demons, it only seems that way. There are also other similar phenomena. The person will have some difficulty to perceive his own body. The End Phenomenon of the Rundown is a person with a transparent body and a clear area around it, and he realizes he's alive and himself to a great extent.