World Team Championship uses its own rulespack, faq and terrain maps document. These documents purpose is to create a structure for the WTC event, offer a compendium of grey zones in the rules that specifically are ruled one way or the other in order to avoid frustrations and heated arguments and to create an environment to fulfill the needs and requests of the WTC community.
If you want to submit any question regarding the WTC rulespack, FAQ or the WTC event in general, you can submit it HERE.