Solicitor-client privilege is a constitutionally-entrenched right that protects communications between a lawyer and his or her client. The foundation of such privilege is to encourage full and frank disclosure between lawyers and their clients for the purpose of providing legal advice. A lawyer cannot be compelled to disclose information shared by his or her client and only the client can waive privilege. In the tax planning context, protecting the confidentiality of taxpayer information is important to ensure that a taxpayer’s tax position is not unfairly prejudiced by legal requirements to provide subjective analysis or information to taxing authorities where such analysis or information was communicated or created for purposes of providing tax advice. Further, to better ensure taxpayer compliance under a self-reporting tax system, the confidentiality of communications with one’s tax lawyer is protected to encourage full and complete disclosure of the facts necessary to provide tax advice.