Construction Industry Scheme (CIS) Explained: Deductions, Verification, Monthly Returns and Refunds
BRITVEX INSIGHTS · UK TAX & BUSINESS GUIDANCE · 18 OCTOBER 2026 Construction Industry Scheme: UK CIS deductions, subcontractor verification, monthly returns and refund claims explained by Britvex. By Britvex Advisory · UK Accountancy, Tax, Advisory & Compliance · Reviewed 18 October 2026 Quick answer: Under the Construction Industry Scheme, UK construction contractors verify subcontractors,…