Income Tax (Transitional Provisions) Act 1997
(a) in the 1997-98 income year or a later income year you dispose of a car that was leased to you or your associate; and
(b) the lessor disposed of the car in the 1996-97 income year or an earlier income year;
the car's termination value (in respect of the disposal by the lessor) for the purposes of section 20-120 of the Income Tax Assessment Act 1997 is the consideration receivable by the lessor for the disposal (worked out under former section 59 of the Income Tax Assessment Act 1936 ).
Section 20-120 of the Income Tax Assessment Act 1997 is about a limit on the amount to be included in your assessable income because of your disposal of the car.