One of the drawbacks to using ISO 26000 is that it:

One of the drawbacks to using ISO 26000 is that it only provides guidance and cannot be certified as can other ISO standards. ISO 26000 offers guidance on social responsibility but is not intended for certification purposes.

Guidance Standard: ISO 26000 is designed to assist organizations in contributing to sustainable development beyond legal compliance.

Non-Certifiable: Unlike ISO standards like ISO 9001 or ISO 14001, ISO 26000 cannot be used for certification, limiting its application for companies seeking formal recognition.

Focus Areas: It covers areas such as organizational governance, human rights, labor practices, the environment, fair operating practices, consumer issues, and community involvement.