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Starting from Jan. 1st, 2006, we have “The Income Basic Tax Act” which is the Alternative Minimum Tax (AMT) put into practice. The purpose of this policy is to have capable taxpayers to have basic contributions to our national finance in order to maintain the fairness tax and ensure the national tax revenue. However, if implementing AMT could achieve the expectation results of fairness tax burden will be the main focus of this study. This study will discuss some issues which are whether implementing AMT helps to reach the equity of income tax appropriately, the purpose of policy to reconcile the imbalance of the tax burden in different industries, and analysis of the relevance between enterprise characteristic and collecting AMT. The results of the study show that after implementing AMT, electronics industry which benefits more from tax incentives is requested to be levied higher AMT tax burden. Its tax burden is higher than the time without implementing AMT. This result supports that AMT did help to reduce the gap of tax burden between industries and thereby enhance the fair competitiveness between industries. A profit-seeking enterprise having higher income in securities and futures exchanges will be levied more AMT tax burden. Since the invested company has more income from securities and futures exchange, it will be levied higher AMT tax burden. This result supports that implementing AMT helps to reach a fairness tax and correct the tax distortion caused by tax-free. In addition, a profit-seeking business which has more tax free income will be levied higher AMT tax burden. This proves that implementing AMT could moderately reduce the unfairness caused by overly using tax incentives. However, the results do not show that profit-seeking business which has lower effective tax rate will be levied higher basic tax. Regarding to enterprise characteristic, this study does not find any evidences which shows if enterprise size effects increasing basic tax. Speaking to profitability, the results show when profit-seeking business has higher profitability and did pay higher taxes, the chance be levied more basic tax is lower and its tax burden is lower too.
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