"Can our internal auditor just take the free course without the exam and still be compliant with ISO 9001:2015? how would one tell if we need to have it? We are a small company 8 employees. We have our Audit approaching and realized the auditor that the company had for 2008 standards had a certificate.... the auditor that we used this year for 2015 does not have a certificate and I didn’t know if that was mandatory or not”
I would contact the Certification Body and ask them the question.
ISO 9001:2015 clause 9.2.2 c) speaks about selecting auditors and conducting audits to ensure objectivity and impartiality. One important point that I want to remark is that it is the organization that determines the auditor competence requirements. If Certification Body has no particular requirements in the contract, it is up to your organization to state requirements as long as it ensures “objectivity and impartiality”.
The following material will provide you information about audit requirements: