"notional Australian tax" means the amount of income tax that would be
assessed under the Income Tax Assessment Act 1936 and the Income Tax
Assessment Act 1997 in respect of the taxpayer's taxable income of the
year of income if the taxpayer was not entitled to any rebate of income tax or
credit against the taxpayer's liability for income tax.
"rebatable amount" means so much of the taxpayer's taxable income of the
year of income as is attributable to those profits or to that income, as the
case may be.
"taxable income" means the number of whole dollars in the taxpayer's
taxable income of the year of income.