Commonwealth Consolidated Acts Commonwealth Consolidated Acts(1) If a parent is liable under subsection 64AF(1) to pay a penalty, the amount of the penalty for each income election made by the parent relating to the year of income is 10% of the difference between:
(a) the administrative assessment of child support made under section 64AA in relation to the parent; and
(b) the administrative assessment of child support that would have been made if it were based entirely on the amount that applied under subsection 60(2) or (3), or that was worked out under subsection 62A(1).
(2) The penalty is a debt due to the Commonwealth by the parent and is due and payable on the issue of the administrative assessment of child support made under section 64AA in relation to the parent.