5. Deductions from income derived from oil and gas activities
(1) For purposes of determining the taxable income of an oil and gas company during any year of assessment, there must be allowed as deductions from the oil and gas income of that company all expenditure and losses actually incurred (other than any expenditure or loss actually incurred in respect of the acquisition of any oil and gas right, except as allowed in paragraph 7(3)) in that year in respect of exploration or post-exploration.
(2) In addition to any other deductions (as contemplated in subparagraph (1) other than any expenditure or loss actually incurred in respect of the acquisition of any oil and gas right) allowable in terms of this paragraph, for purposes of determining the taxable income of an oil and gas company during any year of assessment, there must be allowed as deductions from the oil and gas income of that company derived in that year of assessment-
(a) 100 per cent of all expenditure of a capital nature actually incurred in that year of assessment in respect of exploration in terms of an oil and gas right; and
(b) 50 per cent of all expenditure of a capital nature actually incurred in that year of assessment in respect of post-exploration in respect of an oil and gas right.
(2A) For the purposes of determining the taxable income of an oil and gas company during the first year of assessment of that oil and gas company commencing on or after 2 November 2006, there will be brought forward and allowed as a deduction from the oil and gas income of that oil and gas company the amount determined in terms of section 36(7E) in respect of the immediately preceding year of assessment.
(3) For purposes of determining the taxable income of an oil and gas company during any year of assessment, any assessed losses (as defined in section 20) in respect of exploration or post-exploration may only be set off against –
(a) the oil and gas income of that company; and
(b) income from the refining of gas derived in respect of any oil and gas right held by that company,
to the extent that those assessed losses do not exceed that income.
(4) To the extent that any assessed losses remain after the set-off contemplated in subparagraph (3), an amount equal to 10 per cent of those remaining assessed losses may be set off against any other income derived by that company.
(5) To the extent that any assessed loss remains after the set-offs contemplated in subparagraphs (3) and (4), those losses may be carried forward to the succeeding year of assessment of that oil and gas company.