Per the GAO Standards, an Auditor's Working Papers Must

Per the GAO standards, an auditor's working papers must

A) be made public unless they contain information that would be harmful to national security
B) contain sufficient information to convince an auditor having no previous connection with the audit that the evidence supports the auditor's conclusions and judgments
C) be retained by the auditor for a period of no less than 10 years
D) include documentation that the individual auditors on the engagement have satisfied the standards' continuing professional education requirements