splus-cis-right-to-work
UK Construction Industry Scheme (CIS) and right to work checks for contractors who pay subcontractors, through the S+ (Sovereign Plus) remote MCP server. Use when a UK contractor asks about CIS penalties, late CIS300 returns, unverified subbies, deduction rates (20/30/0%), gross payment status, verification, the April 2026 CIS fraud rules, or right to work checks for self-employed subcontractors. Every figure is a GOV.UK-sourced estimate, not tax advice.
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