info on the CJA (pre 2002 amendement which made a rave illegal with only 20 people there) can be found here

http://www.partyvibe.com/vbulletin/view.php?pg=a_guide_to_the_criminal_justice_act_of-1994

(or did you mean a “Section 6” or “squatters rights sign?”)

and TENS info here..

http://www.partyvibe.com/vbulletin/showthread.php?t=18482