(a) an input tax refund that the master pension entity is entitled to claim in respect of the particular amount of tax,(b) an amount for which it can reasonably be regarded that the master pension entity has obtained or is entitled to obtain a rebate, refund, remission or compensation under any other section of this Act or under any other Act, or
(c) an amount that can reasonably be regarded as being included in an amount adjusted, refunded or credited to or in favour of the master pension entity for which a credit note referred to in section 449 has been received by the master pension entity or a debit note referred to in that section has been issued by the master pension entity.