(1) The total amount of debits from the DisabilityCare Australia Fund Special Account under section 18 in a financial year must not exceed the maximum amount of credits for States and Territories for the financial year under section 13 (taking into account the increase, if any, under a previous operation of subsection (4)).
(2) If a direction under subsection 18(1) would, apart from this section, result in a contravention of subsection (1), the direction is invalid.
(3) Subsection (4) applies if the total amount of debits from the DisabilityCare Australia Fund Special Account under subsection 18(1) in a financial year falls short of the maximum amount of credits for States and Territories for the financial year under section 13 (taking into account the increase, if any, under a previous operation of subsection (4)).
(4) Increase the maximum amount of credits for States and Territories for the next financial year by the amount of the shortfall.