(1) The * transition entity or the purchaser has a choice to work out the first element of the * cost of each * privatised asset.
(2) The choice is to use either:
(a) the * notional written down value of the asset; or
(b) the * undeducted pre - existing audited book value (if any) of the asset.
(3) The choice must be made:
(a) for the * transition entity--by the day on which the transition entity lodges its * income tax return for the * transition year; or
(b) for the purchaser--by the day on which the purchaser lodges the purchaser's income tax return for the * acquisition year;
or within a further period allowed by the Commissioner.
(4) The choice, once made, cannot be changed.