Final answer:
The DEA expects a 0% error rate when conducting an audit of controlled substances. Discrepancies can lead to investigation and potential legal action, emphasizing the importance of meticulous record-keeping.
Step-by-step explanation:
When a DEA inspector conducts an audit of your controlled substances, the percent error allowed is generally expected to be 0%. Controlled substances must be accurately accounted for, and the Drug Enforcement Administration (DEA) does not officially allow a margin of error. Any discrepancies found during an audit can lead to further investigation and potential legal action. It is crucial for any entity handling controlled substances to maintain meticulous records and conduct regular self-audits to ensure compliance with DEA regulations.