If you would like our opinion on a particular engagement you should send your contract(s) to:
IR35 Customer Service Unit
e-mail: IR35 Unit
Tel No: 0845 303 3535 (Opening hours 8.30am to 4.30pm, Monday to Friday. Closed weekends and bank holidays)
Contracts can also be submitted to this address for an opinion as to whether the Revenue thinks they are within the scope of the IR35 rules. If sending in a contract for this purpose, please make sure that you also send any other relevant information, including a description (in layman's terms) as to what the work is and how it is carried out, and any background information such as other contracts entered into that may have a bearing on the matter.