You ask the floor or brush when you come into the room what the proper procedures are.
in addition, I suggest you read this post and thread...
http://forumserver.twoplustwo.com/sh...815&Forum=,All_Forums,&Words=&Searchpage=0&Limit =25&Main=1780721&Search=true&where=&am p;Name=2039&daterange=&newerval=&newer type=&olderval=&oldertype=&bodyprev=#P ost1790815
al
p.w. I'm not an expert at those tiny link things, so this looks ugly, but i tried the link and it works.