Labour only supplier falls outside of the definition of a "Subcontractor" within clause 11.2. NEC4 makes it very clear that is the case with a rewording of the definition, but NEC3 definition already makes it pretty clear.
The NEC3 guidance notes for this clause clearly state "Labour-only subcontractors are not Subcontractors under this definition".
The NEC3 guidance notes for this clause clearly state "Labour-only subcontractors are not Subcontractors under this definition".