Chapter 2 of Part 23 of the Principal Act is amended -

(a) in section 666(4) -

(i) in paragraph (a), by the substitution of "31 December 2027" for "31 December 2024", and

(ii) in paragraph (b), by the substitution of "the year 2027" for "the year 2024",

(b) in section 667B(5)(b), by the substitution of "31 December 2027" for "31 December 2024", and

(c) in section 667C -

(i) in subsection (2), by the substitution of the following paragraph for paragraph (b):

"(b) the following was substituted for subsection (4):

'(4)

(a) A deduction shall not be allowed under this section in computing a company's trading income for any accounting period which ends after 31 December 2027.