(1) For the purposes of determining the market value of a stallion to which this Chapter applies, the Revenue Commissioners may consult with such person or body of persons as, in their opinion, may be of assistance to them.
(2) Notwithstanding any other provisions of the Tax Acts, trading stock comprising stallions shall be disregarded for all purposes of section 666.
(3) In a case in which in any chargeable period the computation of the amount of income of a person to be charged to tax under Case IV of Schedule D under this Chapter results in a loss, then, notwithstanding section 383, the amount of the loss may not be deducted from or set off against other income charged to tax under Case IV of Schedule D arising in that chargeable period, and any loss, when carried forward to a subsequent chargeable period, may only be deducted from or set off against income to which section 669H(2)(b) applies arising in that subsequent chargeable period.