The WebTrust Seal of assurance for Certification Authorities (CA) symbolizes to potential relying parties that a qualified practitioner has evaluated the CA's business practices and controls to determine whether they are in conformity with the AICPA/CICA WebTrust for Certification Authorities Principles and Criteria. An unqualified opinion from the practitioner indicates that such principles are being followed in conformity with the WebTrust for Certification Authorities Criteria. These principles and criteria reflect fundamental standards for the establishment and on-going operation of a Certification Authority organization or function.