Read a summary of the ISEAL Credibility Principles - a global agreement on how to identify credible standards systems, in Spanish.
ISEAL可信度原则2版 2021 ISEAL Credibility Principles V2 2021 - Chinese 
Read a summary of the ISEAL Credibility Principles - a global agreement on how to identify credible standards systems, in Portuguese.
The ISEAL Credibility Principles represent the core values on which effective sustainability systems are built.