What does icbn stands for?

ICBN:

1. The ICBN is an acronym for the International Code of Botanical Nomenclature.
2. It establishes guidelines for botany's scientific name.
3. It has been adopted by the International Botanical Congress in Saint Louis in 1999 and is also known as the Saint Louis Coder.
4. In July 2011, the name was modified during the International Botanical Congress in Melbourne.