INTM610220 - Profit Fragmentation Adjustments: NICs Consequences for Individuals
Section 15 and Schedule 2 to the Social Security Contributions and Benefits Act 1992 and the Social Security Contributions and Benefits (Northern Ireland) Act 1992 mean that profits adjusted under this Schedule are chargeable to Class 4 NICs where those profits are not from a trade, profession or vocation carried on wholly outside the UK.