tw-nhiSourced from the law Use this skill whenever asked about Taiwan National Health Insurance (NHI) contributions. Trigger on phrases like "NHI Taiwan", "健保", "全民健康保險", "健保費", "supplementary premium", "補充保費", "NHI self-employed", "health insurance Taiwan", "NHIA", "衛生福利部中央健康保險署", or any question about computing, paying, or understanding NHI premiums for self-employed individuals in Taiwan. This skill covers the general premium rate, supplementary premium, insured payroll categories, and payment obligations. ALWAYS read this skill before advising on Taiwan NHI.