New version of the Compiler

New version of the INTERLIS Compiler is ready for download.


New version of iG/Check

New version of the INTERLIS-Checker (iG/Check) for INTERLIS 2 is ready for download.


New Website online!

We are pleased to present you our new, completely renewed website. We hope that you will find all the information you are looking for. If you should miss something or you have a suggestion, we look forward to your feedback.


INTERLIS is a conceptual modeling language designed to ensure long-term compatibility between different systems. INTERLIS is software and system independent.

The most currently used version is INTERLIS 2, version 2.3.

INTERLIS - who is behind it?

COGIS (Coordination, Geo-Information and Services) is the guardian of the formal language INTERLIS and provides the necessary information and documents. The activities of the Federal Administration in the field of geoinformation (GI) and geoinformation systems (GIS) are also coordinated by COGIS. See

You can find our contact details here.