The governance bodies with the highest decision-making authority in the undertaking including its committees. If in the governance structure, there are no members of the administrative, management or supervisory bodies of the undertaking, the CEO, and if such function exists, the deputy CEO, should be included. In some jurisdictions, governance systems consist of two tiers, where supervision and management are separated. In such cases, both tiers are included under the definition of administrative, management and supervisory bodies.