(1) Chapter 1A of Part 27 of the Principal Act is amended -
(a) in section 739B(1) in paragraph (ccc) of the definition of "chargeable event" by inserting "where such ending is not otherwise a chargeable event within the meaning of this section," after "of a relevant period,",
(b) in section 739D -
(i) in subsection (2) -
(I) in paragraph (dd) by inserting "except as a consequence of a gain arising on a chargeable event within the meaning of paragraph (ccc) in section 739B(1)," after "entitlement to a unit,", and
(II) by substituting the following for paragraph (ddd):
"(ddd) where the chargeable event is the ending of a relevant period in relation to a unit of a unit holder -
(i) the excess (if any) of the value of the unit, without having regard to any amount of appropriate tax (within the meaning of section 739E) thereby arising, held by the unit holder on the day of that ending over the total amount invested in the investment undertaking by the unit holder for the acquisition of
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