Skip to main content

    April 2026: New National Minimum Wage rates now in effect. Check your pay →

    Tax & CIS

    Template: Firm CIS letter - HMRC involvement warning if not fixed

    Low risk

    General use — safe to send as-is once you've filled the gaps.

    Open this template

    Copy to clipboard, or download as Word or PDF.

    Format: Document (Word / PDF) · Downloaded 0 times

    When to use this

    • You've already asked the contractor to fix CIS issues and been ignored
    • You need to escalate and warn them that you'll involve HMRC
    • You want a firm written record before making a formal complaint