Probably better entry point is https://regelrecht.rijks.app/ and you can see an example of the YAML and outputs here: https://editor.regelrecht.rijks.app/library/afstemmingsveror...

As for the use case, it seems to be an explorative exercise to see if something like that can help provide more transparency and consistency within systems of law, "whether machine-executable legislation can provide an answer" to complex and opaque cases. The websites linked earlier have more information + examples.