2E+W+SSubject to the following paragraphs, Class 4 contributions shall be payable in respect of the full amount of all [F1profits—
(a)which are the profits of any relevant trade, profession or vocation which is not carried on wholly outside the United Kingdom, and
(b)which are chargeable to income tax under Chapter 2 of Part 2 of ITTOIA 2005.]
Textual Amendments
F1Words in Sch. 2 para. 2 substituted (6.4.2005 with effect in accordance with s. 883(1) of the amending Act) by Income Tax (Trading and Other Income) Act 2005 (c. 5), s. 883(1), Sch. 1 para. 422(3) (with Sch. 2)