Tax Rates Article 89 The amount of income taxes imposed on a Resident is the sum total of, firstly, the amount arrived at when the taxable gross income or taxable retirement income for the year is broken down into the amounts set forth in the left-hand column of the following table, each of the amounts so broken down is multiplied by the corresponding tax rate set forth in the right-hand column of that table, and then the products thereof are added together; and secondly, the amount arrived at when an amount equivalent to 20% of the taxable timber income for the year is broken down into the amounts set forth in the left-hand column of that table, each of the amounts so broken down is multiplied by the corresponding tax rate set forth in the right-hand column of that table, and then the products thereof are added together and multiplied by five.
Taxable gross income, taxable retirement income, or taxable timber income is whatever remains after the deductions under Section 4 (Deductions from Income) of the preceding Chapter are taken against gross income, retirement income, or timber income.