Limited assurance A limited assurance engagement undertaken in accordance with ISAE (Revised), and ISAE 3410, involves assessing the suitability in the circumstances of the Company’s use of its reporting criteria as the basis of preparation for the selected sustainability information, assessing the risks of material misstatement of the selected sustainability information whether due to fraud or error, responding to the assessed risks as necessary in the circumstances, and evaluating the overall presentation of the selected sustainability information.