Since Legislative Assembly approved Law No. 7 of 1983 on Income Tax, as last amended by the Law No. 36 of 2008 (so there are four time changes, namely by the Law No. 7 of 1991, then No. 10 of 1994, furthermore No. 17 of 2000 and the last No. 36 of 2008), but the base of the domestic and overseas shipping company taxation which apply Special Calculation Norm of Net Income (deemed profit) for the national and overseas shipping companies taxpayers with the application of Article 15 of the Income Tax (Final Tax) did not change either in the tax rates and the tax bases, whereas the corporate tax rate (Article 17 paragraph 1) has changed from the Law No. 7 of 1983 with progressive rates levying at the rate of 10% -35% with the last change to a flat rate of 25% in the Law No. 36 of 2008. Similarly, the Tax Base used appear to have been unreasonable to overseas shipping Net Income amounted to 6%. Tax Base which reflects the rate of return the company is used as a base taxation income tax shipping company seems too low, compared with the rate of profit (net profit after tax) obtained by shipping companies at home and abroad. These conditions certainly result in low tax revenue from the shipping sector, and on the other aspects of the fulfillment of tax fairness rules also disrupted due to the shipping company suffered a loss nonetheless pay a final tax (VAT Article 15).