“All Cabinet Ministers and other senior ministers are still sworn in as Privy Counsellors for life. The oath (which dates back to the thirteenth-century and has been described as Britain's oldest secrecy provision) commits them to keep all advice to the monarch secret.” Has BeensStillsSecretAdviceCenturyCommitMinistersBritainSeniorSecrecyProvisionOathCabinetsMonarchsCounsellors Author:Clive Ponting
