GLP-interpretations / Newsletter

Frequently asked questions (FAQ) and interpretations of the GLP Principles.

Answers to questions raised by the test facilities or other subjects of importance discussed during meetings or inspections and related to the interpretation of the GLP Principles. These interpretations have been published on the GLP website and announced to all current test facilities in Switzerland:

Please send your questions to

As the authorities discuss the questions twice a year, you will receive an answer in a due time. For urgent questions please contact the GLP authorities directly. Thank you.


Last modification 04.12.2019

Top of page