(1) Division 19 applies in relation to a * decreasing adjustment that an insurer has under this Division as if:
(a) the adjustment were an input tax credit; and
(b) the settlement of the claim to which the adjustment relates were a * creditable acquisition that the insurer made; and
(c) any payment or supply made by another entity, in settlement of a claim made by an insurer in the insurer's exercising of rights of subrogation in respect of the * insurance policy in question, were a reduction in the * consideration for the acquisition.
(2) Paragraph (1)(c) does not apply to a payment by another entity in relation to which an * increasing adjustment arises under section 80-30 or 80-70 (which are about settlement sharing arrangements).