他的第一个减税法令于1981年8月生效，一揽子减税计划也包括边际税率的削减，最高税率由70%降低到50%，最低税率由14%降低到11%。

His first tax bill was enacted in August 1981. It included a sweeping cut in marginal income tax rates, reducing the top rate to 50% from 70% and the lowest rate to 11% from 14%.

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该税率最低不得低于百分之十，最高不得超过百分之十二；

The tax rate shall not be more than twelve percent nor less than ten percent.

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