default.charclass and mapslist.ini
on mapslist.ini you can choose which maps are with tax and which are without tax.
these are the flags
LEGEND:
1=on
0=off
[1,0,0,0,1,1,0,0,0,0]
[peace,commission free,pk enable,free pk,item drop,move,restart,Pet,PetActivity,hoverboard]