All tags must follow the following rules:

1. Use all upper case characters
2. Start by their object type prefix:

   Object Type	Tag Prefix
   Area	A_
   Creature	C_
   Door	DR_
   Encounters	E_
   Item	I_
   Merchant/Store	M_
   Placeable	P_
   Trigger/Transition	T_
   Waypoint	WP_

3. The object type prefix must be followed by the ERF prefix from which the object come from and ideally the full Blueprint (remember, that Blueprints already always start by their ERF prefix)