IDG56000 - Information disclosure Gateways with other government departments: Disclosure to the Information Commissioner's Office (ICO)
HMRC may disclose information to the Information Commissioner’s Office (ICO) for the purpose of the discharge of the ICO’s functions in certain circumstances.
The Office of the Data Protection Officer (ODPO) acts as the liaison lead between HMRC and the ICO, however HMRC security incident team also liaise with ICO.