Guide Taiwan company registration and legal setup including business entity selection, commercial registration, company registration, and tax ID application. Use this skill when the user is starting a business in Taiwan, choosing between sole proprietorship and company, or navigating the registration process — even if they say 'how do I set up a company in Taiwan', 'what's the registration process', 'sole proprietorship vs company', or 'I want to start a business'.
IRON LAW: Entity Type Determines Everything Downstream
The choice between 行號 (sole proprietorship), 有限公司, and 股份有限公司