View our full Glossary of accounting & payroll terms Visit full glossary Glossary definition What is CIS? CIS is the Construction Industry Scheme. Contractors must register and are required to deduct money from subcontractors’ payments, which counts towards their tax and National Insurance. Sub-contractors don’t have to register but they are entitled to a lower rate of deductions if they do. Subscribe to the Sage Advice enewsletter Get a roundup of our best business advice in your inbox every month. Subscribe See this term in action VAT domestic reverse charge for construction: What accountants need to know 16 June, 2020 How to find the best accountant for your construction firm 16 June, 2020 Construction Industry Scheme: How VAT changes affect you 16 June, 2020 Subscribe to the Sage Advice enewsletter Get a roundup of our best business advice in your inbox every month. Subscribe Related topics Construction Tax Search for another term Search for: Learn more about this definition and others Featured reading Flexible furlough: What it means for your payroll processes Coronavirus: What financial support is available for your business? Coronavirus Job Retention Scheme FAQ: What it means for employers Popular termsWhat is a P30?What is a P46?What is a nominal code?What is ERP?