Whoever commits the crime of misappropriating public funds shall be sentenced to fixed-term imprisonment of not more than five years or criminal detention; If the circumstances are serious, he shall be sentenced to fixed-term imprisonment of not less than five years. Whoever misappropriates a huge amount of public funds and fails to return it shall be sentenced to fixed-term imprisonment of not less than 10 years or life imprisonment. Whoever misappropriates funds and materials for disaster relief, emergency rescue, flood control, special care, poverty alleviation, immigration and relief for personal use shall be given a heavier punishment.