(1) Subsection 110 - 45(2), (4), (5) or (6) or 110 - 50(2), (4), (5) or (6) does not prevent expenditure from forming part of the cost base to the extent that the deduction mentioned in that subsection could reasonably be regarded as arising before 7.30 pm, by legal time in the Australian Capital Territory, on 13 May 1997, or as relating to a period before that time.
(2) Subsections 110 - 45(5) and (6) and 110 - 50(5) and (6) do not apply to expenditure incurred before the day on which the Bill that became the Taxation Laws Amendment Act (No. 1) 1999 was introduced into the House of Representatives.