‘ 7 Net weekly income of non-resident parent as a self-employed earner (1) Subject to sub-paragraph (6) and to paragraph 8 , the net weekly income of the non-resident parent as a self-employed earner shall be his gross earnings less the deductions to which sub-paragraph (3) applies. (1A) In this paragraph and paragraph 8 a person's “gross earnings” are his taxable profits calculated in accordance with Part 2 of theIncome Tax (Trading and Other Income) Act 2005 . (2) The non-resident parent shall provide to the Secretary of State on demand a copy of- (a) any tax calculation notice issued to him by Her Majesty's Revenue and Customs; and (b) any revised tax calculation notice issued to him by Her Majesty's Revenue and Customs. (3) This paragraph applies to the following deductions- (a) any income tax relating to the gross earnings from the self-employment determined in accordance with sub-paragraph (4); (b) any National Insurance contributions relating to the gross earnings from the self-employment determined in accordance with sub-paragraph (5); and (c) any premiums paid by the non-resident parent in respect of a retirement annuity contract or a personal pension scheme or, where that scheme is intended partly to provide a capital sum to discharge a mortgage or a charge secured upon the parent's home, 75 per centum of the contributions payable. (4) For the purpose of sub-paragraph (3)(a), the income tax to be deducted from the gross earnings shall be determined in accordance with the following provisions- (a) subject to head (d), an amount of gross earnings calculated as if it were equivalent to any personal allowance which would be applicable to the earner by virtue of the provisions ofChapter I of Part VII of the Income and Corporation Taxes Act 1988 (personal relief) shall be disregarded; (b) subject to head (c), an amount equivalent to income tax shall be calculated in relation to the gross earnings remaining following the application of head (a) (the “remaining earnings”); (c) the tax rate applicable at the effective date shall be applied to all the remaining earnings, where necessary increasing or reducing the amount payable to take account of the fact that the earnings related to a period greater or less than one year; and (d) the amount to be disregarded by virtue of head (a) shall be calculated by reference to the yearly rate applicable at the effective date, that amount being reduced or increased in the same proportion to that which the period represented by the gross earnings bears to the period of one year. (5) For the purposes of sub-paragraph (3)(b), the amount to be deducted in respect of National Insurance contributions shall be the total of- (a) the amount of Class 2 contributions (if any) payable under section 11(1) or, as the case may be, (3) of the Contributions and Benefits Act or under section 11(1) or (3) of the Contributions and Benefits (Northern Ireland) Act; and (b) the amount of Class 4 contributions (if any) payable under section 15(2) of that Act, or under section 15(2) of the Contributions and Benefits (Northern Ireland) Act, at the rates applicable at the effective date. (6) The net weekly income of a self-employed earner may only be determined in accordance with this paragraph where the earnings concerned relate to a period which terminated not more than 24 months prior to the relevant week. … (8) Any request by the Secretary of State in accordance with sub-paragraph (2) for the provision of information shall set out the possible consequences of failure to provide such information, including details of the offences provided for insection 14A of the Act 7 for failing to provide, or providing false, information. 8 Figures calculated using gross receipts less deductions (1) Where- (a) the conditions of paragraph 7(6) are not satisfied; or (b) the Secretary of State accepts that it is not reasonably practicable for the self-employed earner to provide information relating to his gross earnings from self-employment in the forms submitted to, or as issued or revised by, the Inland Revenue; … net income means in the case of employment as a self-employed earner his earnings calculated by reference to the gross receipts in respect of employment which are of a type which would be taken into account under paragraph 7(1) less the deductions provided for in sub-paragraph (2). (2) The deductions to be taken from the gross receipts to calculate net earnings for the purposes of this paragraph are- (a) any expenses which are reasonably incurred and are wholly and exclusively defrayed for the purposes of the earner's business in the period by reference to which his earnings are determined under paragraph 9(2) or (3) ; (b) any value added tax paid in the period by reference to which his earnings are determined in excess of value added tax received in that period; (c) any amount in respect of income tax determined in accordance with sub-paragraph (4); (d) any amount of National Insurance contributions determined in accordance with sub-paragraph (4); and (e) any premium paid by the non-resident parent in respect of a retirement annuity contract or a personal pension scheme or, where that scheme is intended partly to provide a capital sum to discharge a mortgage or a charge secured upon the parent's home, 75 per centum of contributions payable. (3) For the purposes of sub-paragraph (2)(a)- (a) such expenses include- (i) repayment of capital on any loan used for the replacement, in the course of business, of equipment or machinery, or the repair of an existing business asset except to the extent that any sum is payable under an insurance policy for its repair; (ii) any income expended in the repair of an existing business asset except to the extent that any sum is payable under an insurance policy for its repair; and (iii) any payment of interest on a loan taken out for the purposes of the business; (b) such expenses do not include- … (ii) any capital expenditure; … (vi) any expenses incurred in providing business entertainment.