ISPO audit teams should consist of auditors who understand licensing requirements, palm oil plantations, good management practices, occupational health and safety systems, have an awareness of environmental, social and economic issues. … ISPO auditors must also pass a training course organised by the ISPO Commission and run by a training institution approved by ISPO commission.

There are quality requirements (competences) for auditors documented by the scheme: www.iucn.nl/files/publicaties/assessment_sheet_ispo_assurance.pdf