Oh yes, they were pretty clear. I was only told this because I was trying to 'argue' the case for keeping the TR status as I thought it would be a useful system for the ladies. The main one being expecting extra time without extra payment.
Apparently, one guy booked a late night appointment for maybe an hour, but brought an overnight bag with him and, when the time was up, kept chatting and then feigned tiredness/sleepiness in the hope of being allowed stay overnight.