National Collection of Cultures of Microorganisms
The CNCM is an International Depositary Authority (IDA) under the Budapest Treaty (BT). The CNCM receives deposits of accepts bacteria, filamentous fungi, yeasts, bacteriophages, viruses, animal, and human cell lines, for national and international patent procedures or other purposes requiring high secrecy requirements.
The provision of biological material preserved at the CNCM is governed by the BT implementing regulations.