Why Is Your CIS Refund Delayed? Common HMRC Mistakes to Avoid
A delayed CIS refund can be frustrating when you are expecting money that was already deducted from your construction payments. For many subcontractors, the delay is not caused by one major problem but by small errors in records, figures, or personal details. HMRC checks CIS deductions against information supplied by contractors, so even a mismatch can require further checks before a refund is released. Understanding these issues can help you avoid unnecessary delays. How a CIS Refund Normally Works Under the Construction Industry Scheme, contractors usually deduct tax from payments made to subcontractors. For registered subcontractors, the standard deduction is generally 20%, while a 30% deduction can apply when a subcontractor is not registered or cannot be verified. These deductions are treated as advance payments towards tax and National Insurance. At the end of the tax year, an individual subcontractor normally reports their income and CIS deductions through Self Assessment....