“When a trader or a follower of a profession or vocation dies or goes out of business … and there remain to be collected sums owing for goods supplied during the existence of the business or for services rendered by the professional man during the course of his life or his business, there is no question of assessing those receipts to income tax; they are the receipts of the business while it lasted, they are arrears of that business, they represent money which was earned during the life of the business and are taken to be covered by the assessment made during the life of the business, whether that assessment was made on the basis of bookings or on the basis of receipts.”
“(1) Where any trade, profession or vocation carried on wholly or partly in the United Kingdom the profits of which are chargeable to tax has been permanently discontinued, corporation tax shall be charged under Case VI of Schedule D in respect of any sums to which this section applies which are received after the discontinuance. (2) Subject to subsection (3) below, this section applies to the following sums arising from the carrying on of the trade, profession or vocation during any period before the discontinuance (not being sums otherwise chargeable to tax) - (a) where the profits for that period were computed by reference to earnings, all such sums in so far as their value was not brought into account in computing the profits for any period before the discontinuance, and (b) where the profits were computed on a conventional basis (that is to say, were computed otherwise than by reference to earnings) any sums which if those profits had been computed by reference to earnings, would not have been brought into the computation for any period before the discontinuance because the date on which they became due, or the date on which the amount due in respect thereof was ascertained, fell after the discontinuance.”
“Subject to subsection (2) below, in the case of a transfer for value of the right to receive any sum to which section 103, 104(1) or 104(4) applies, any corporation tax chargeable by virtue of either of those sections shall be charged in respect of the amount or value of the consideration (or, in the case of a transfer otherwise than at arm’s length, in respect of the value of the right transferred as between parties at arm’s length), and references in this Chapter … to sums received shall be construed accordingly.”
“Where a trade, profession or vocation is treated as permanently discontinued by reason of a change in the persons carrying it on, and the right to receive any sum to which section 103 or 104(1) applies is or was transferred at the time of the change to the company carrying on the trade, profession or vocation after the change, corporation tax shall not be charged by virtue of either of those sections, but any sum received by that company by virtue of the transfer shall be treated for corporation tax purposes as a receipt to be brought into the computation of the profits of the trade, profession or vocation in the period in which it is received.”
“The provisions of Schedule D and of subsection (2) above are without prejudice to any other provision of the Tax Acts directing tax to be charged under Schedule D or under one or other of the Cases set out in subsection (3) above, and tax directed to be so charged shall be charged accordingly.”
“Where any sum is - (a) chargeable to tax by virtue of section 103 or 104, and (b) received in any year of assessment beginning not later than six years after the discontinuance or, as the case may be, change of basis by the person by whom the trade, profession or vocation was carried on before the discontinuance or change, or by his personal representatives …”
“corporation tax shall not be charged by virtue of either [section 103 or 104], but any sum received by that company by virtue of the transfer shall be treated for corporation tax purposes as a receipt to be brought into the computation of the profits of the trade … in the period in which it is received.”