(1)Paragraph 7 of Schedule 12 to the [1980 c. 48.] Finance Act 1980 (transitional period for 100 per cent, first year allowances for television sets) shall be amended in accordance with the following provisions of this section.
(2)In sub-paragraph (2) (definition of "the transitional period ") in paragraph (a) after the words " other than " there shall be inserted the words " a teletext receiver or " and at the end of paragraph (a) there shall be inserted: —
“(aa)in relation to expenditure on the provision of a teletext receiver, the period of five years beginning with that date”.
(3)In sub-paragraph (3) (definition of "viewdata receiver") after the words " television set" in the first place where they occur, there shall be inserted the words " which is not a teletext receiver but which is " and the words from "and a television set" to the end of the sub-paragraph shall be omitted.
(4)After sub-paragraph (3) there shall be inserted the following sub-paragraphs:—
“(4)In this Part of this Schedule " a teletext receiver " means a television set—
(a)which is constructed for receiving teletext transmissions, that is to say, transmissions intended for general reception and consisting of a succession of visual displays (with or without accompanying sound) each capable of being selected and held for separate viewing or other use; and
(b)which is not also constructed for displaying information received as mentioned in sub-paragraph (3) above.
(5)In relation to expenditure incurred after 9th March 1982—
(a)this Part of this Schedule, other than sub-paragraph (6) below, shall have effect as if any reference to a television set included a reference to a teletext adaptor or a viewdata adaptor; and
(b)sub-paragraph (2) above shall have effect as if any reference to a teletext receiver included a reference to a teletext adaptor and as if any reference to a viewdata receiver included a reference to a viewdata adaptor.
(6)In this Part of this Schedule
(a)" teletext adaptor " means a device external to a television set which, after it is connected to that television set, allows the set to display transmissions in the same manner as a teletext receiver; and
(b)" viewdata adaptor" means a device external to a television set which, after it is connected to that television set, allows the set to display information received in the same manner as a viewdata receiver.”