WHO criteria for the evaluation of the safety, efficacy, and quality of herbal medicines

WHO Expert Committee on Specifications for Pharmaceutical Preparations - WHO Technical Report Series, No. 863, Annex 11 (Guidelines for the Assessment of Herbal Medicines) - 

Thirty-fourth Report

The guidelines define criteria for the evaluation of the safety, efficacy, and quality of herbal medicines, and thereby assist national regulatory authorities, scientific organizations, and manufacturers in undertaking an assessment of the documentation/submissions/dossiers on such products. These guidelines were developed at the request of the Fourth and Fifth International Conference of Drug Regulatory Authorities (ICDRA) meetings.

http://apps.who.int/medicinedocs/en/d/Jh2984e/