Assurance engagements include both attestation engagements, in which a party other than the practitioner measures or evaluates the underlying subject matter against the criteria, and direct engagements, in which the practitioner measures or evaluates the underlying subject matter against the criteria, in accordance with the International Standard on Assurance Engagements other than Audits or Reviews of Historical Information 3000 (ISAE 3000).
The objective of the auditor is To obtain either reasonable assurance or limited assurance, as appropriate, about whether the subject matter information is free from material misstatement, To express a conclusion regarding the outcome of the measurement or evaluation of the underlying subject matter through a written report that conveys either a reasonable assurance or a limited assurance conclusion and describes the basis for the conclusion.
This type of engagement includes a wide range of services in which auditing knowledge is used for projects other than the audit or review of historical financial statements, such as expert testimony for the needs of court processes regarding accounting, tax, and similar issues, expression of professional opinion, etc.
This type of engagement includes the examination of future financial information, reports regarding the control of service organizations, reports on the fulfillment of the obligations of the users of funds, determined by the contract on the allocation of subsidies, donations, etc.