The IESBA Code of ethics sets out five fundamental principles of professional ethics that accountants should adhere to. 'POPIC'
Professional competence and due care - continuing duty to maintain professional knowledge
Objectivity - not allow bias, conflict of interest or undue influence
Professional behaviour - avoid any actions that discredit the profession
Integrity - be straightforward and honest in all relationships
Confidentiality - should not disclose any such info to third parties without proper and specific authority unless there is a legal or professional right