31.10.2011 
INTERLIS are data description and data transfer- standards, developed for geographical 
data 
description and data exchange.
INTERLIS is developed in Switzerland and are established as national standards (Schweizerische 
Normenvereinigung SNV). Interlis is also used internationally.
There exist two versions
INTERLIS 1 (SN612030):
INTERLIS 2 (SN612031):
There exist various tools for modelling and data checking.