The frequency of audits depends on organizational needs, risk assessments, and compliance requirements. Typically, audits are conducted annually, but high-risk areas may require more frequent reviews.

Internal audits are performed by employees or internal teams to ensure internal controls are effective. External audits are done by third-party firms to provide independent opinions on financial statements.

Documents like financial statements, invoices, bank statements, contracts, and compliance reports are usually required during an audit.

Yes, major non-conformities found during an audit can delay or affect certification. It's important to resolve all findings in a timely manner.