Is it mandatory for internal management system auditors to attend an ISO standard internal auditor course?

The requirement for internal management system auditors to attend an ISO standard internal auditor course is not mandatory according to ISO 9001. The standard emphasizes that auditors must be competent to perform audits effectively, but it does not stipulate specific training courses. Organizations are encouraged to ensure that their auditors have the necessary skills and knowledge, which can be gained through various means, including on-the-job training, experience, or alternative courses. This flexibility allows organizations to develop their own training strategies that best suit their context and needs.

While formal training can enhance an auditor's capabilities, the standard does not enforce a specific course of training as a prerequisite for being classified as an internal auditor. Thus, competency can be demonstrated through different channels, making it clear that attendance at a specific course is not a requisite.