the deduction amount set forth in column A of Appended Table 1 of the Supplementary Provisions according to the taxable gross income that served as the basis for calculating the amount set forth in the preceding item (if an election under Article 14 (Calculation of Tax Amount Where There Is Fluctuating Income or Ad Hoc Income) of the former Act has been made for income tax for 1964, the adjusted income prescribed in item (i) of that Article, and, if the Income in Each Class that served as the basis for calculating the taxable gross income for that year included any amount of capital gains, occasional income, miscellaneous income, or Ad Hoc Income not falling under miscellaneous income, the amount calculated by excluding those amounts in accordance with the provisions of the order based on Article 21-2, paragraph (1) of the former Act; hereinafter referred to as the "taxable aggregate income and similar amount" in this Article) and according to whether there were a Claimable Spouse and dependents who served as the basis for calculating that taxable aggregate income and similar amount and, if so, their number.