[LO_IQ]

only use the Dutch language for their religious sermons.

I don't quite understand this rule

Is the Dutch government saying the people cannot worship in other language but Dutch?

If I want to participate in a traditional Catholic Mass in Latin, will I (or my priest) be committing a crime in the Netherlands?

[knighthawk]

It's no law. And it is not forbidden to preach in another language, he asked them to do it.

This is because, unlike in traditional Catholic Masses in Latin, in several mosques the imams preach hatred and oppose integration (see the links in the comment section just below the article).