expand ICBN and ICZN?

ICBN:-(international code of botanical nomenclature)is the set of rules and recommendations dealing with the formal botanical names that are given to plants.

ICZN:-(international code of zoological nomenclature) is a widely accepted convention in zoology that rules the formal scientific naming of organisms treated as animals.

Hope dis helps u...

ICBN- international code for botanical nomenclature
ICZN- international code for zoological nomenclature

ICBN = international code of botanical nomenclature.
ICZN = international code of zoological nomenclature