Solicitor-client privilege protects communications made between a lawyer and his or her client that are made in confidence for the purposes of obtaining or providing legal advice. Solicitor-client privilege is an important tool in the context of tax planning and future tax litigation as it can be used to keep tax planning documents out of the hands of the Canada Revenue Agency (CRA), other taxation authorities and the courts. The following basic tips can help your business ensure that its privileged documents remain protected.