VeriSO is a QGIS plugin that allows verifying for Interlis data. It was originally developed by Stefan Ziegler and it is now mantained by OPENGIS.ch LLC This specific VeriSO version is designed to verify data of Nutzungsplanung.
To add your own modules you have to add a folder into veriso/modules, its content should be based on /veriso/templates/template_module
The checks are loaded dynamically in alphabetical order from each check folder.