Under the Independence standards of the GAO for performing audit in accordance with generally accepted government auditing standards, which of the following are over reaching principles for determining whether a nonaudit service impairs independence?
1. Auditor must not perform non audit services that involve performing management functions or making management decisions.
2. Auditors must not audit their own work or provided nonaudit services in situations in which the nonaudit services are significant or material to the subject matter of the audit.
3. Auditors must not perform non audit services which require independence.
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