The only situation where you'd require a visa is if you want to know more about assembling a Taiwan bank account, in which case you'd require a visa to acquire the ID, to receive the bank account. If you're unclear about any part of the entry requirements, or you require further reassurance, you're want to get hold of the embassy, higher commission or consulate of the nation or territory you're travelling to. It isn't recognized by the majority of countries as a sovereign nation.