468G—(1) This section applies where—
- (a) as regards a distribution period ending alter 31st December 1991 a dividend is treated by virtue of section 468(2) as paid to a unit holder (whether or not income is in fact paid to the unit holder), and
- (b) all or part (in this section the "appropriate portion") of the dividend is paid from sources other than franked investment income, and
- (c) the dividend is treated as paid by the trustees of a unit trust scheme which is an authorised unit trust as respects the accounting period in which the distribution period falls, and
- (d) arrangements with the Board as provided in section 468H are in force in respect of such unit trust scheme.