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Email HMRC for help with IR35 enquiries.
If HMRC reply to your enquiry by email the information is not secure. If they need to contact you about anything confidential, they will reply by post or telephone.
- Telephone: 0300 123 2326
- Fax: 03000 533 404
Call HMRC for help with IR35 enquiries.
8.30am to 5pm, Monday to Thursday
8.30am to 4.30pm Friday
Closed weekends and bank holidays
Write to HMRC for help with IR35 enquiries.