Companies must conduct internal audits to assess the effectiveness of their quality management system. Internal auditors, often trained personnel within the organization, evaluate compliance with IATF 16949 requirements and identify areas for iaft 16949 standard management reviews the organization's quality management system to ensure its suitability, adequacy, effectiveness, and alignment with the business objectives. This involves reviewing performance data, internal audit results, customer feedback, and actions for improvement.Selecting a certification body accredited by the International Automotive Task Force (IATF) is crucial. The certification body will conduct an external audit to assess the company's compliance with IATF 16949 requirements.