Implementing ISO 9001:2015

Let me clarify how I interpret your question:

Your organization is implementing a quality management system. A quality management system requires that an organization performs internal audits by a competent person, an auditor. Normally, organizations decide that internal auditors should have a good knowledge of the standard and of good auditing practices. It is up to each organization to decide the extent of knowledge needed and the way to evidence it.

If your organization determines that internal auditors have to go through an internal auditor course and that the evidence is the certification test, then you must have the certification test to evidence competence. If you fail to pass, you must retry. By the way, with our - Free online training ISO 9001:2015 Internal Auditor Course: https://advisera.com/training/iso-9001-internal-auditor-course/ - you have a second attempt without paying and you only repeat the part of the exam where you failed.

You can find more information below:

• Article - ISO 9001 internal auditor training: Is it for me? - https://advisera.com/9001academy/blog/2015/06/02/iso-9001-internal-auditor-training-is-it-for-me/
• Webinar - Free webinar on-demand - How to perform an ISO 9001:2015 internal audit - https://advisera.com/9001academy/webinar/how-to-perform-an-iso-9001-2015-internal-audit-free-webinar-on-demand/
• Book - ISO internal audit: A plain English guide: https://advisera.com/books/iso-internal-audit-plain-english-guide/