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AU 315 Communication between Predecessor and Successor Auditors
A successor auditor is required to communicate with the predecessor auditor before accepting an auditing engagement. The successor auditor should request permission from the client to make an inquiry of the predecessor before final acceptance of the engagement. Thus, the successor should ask the client to authorize the predecessor to respond fully to inquiries. The successor auditor should inquire about reasons for the change in auditors; disagreement with management about accounting principles and auditing procedures; facts bearing on management's integrity; and communications to audit committees or other regarding fraud, illegal acts by clients, and internal control related matters. The predecessor should respond promptly and fully, but, if circumstances require a limited response, the limited nature of that response must be clearly indicated. The successor should also request the client to permit review of the predecessor's working papers. The predecessor auditor ordinarily permits the successor to review working papers. The successor auditor's communications with the predecessor auditor may have a bearing on the audit of opening balances and the evaluation of the consistency of application of accounting principles. And auditor who is considering...