> This was something the Swiss experimented with a few years back. Not altogether happily, I seem to recall, but I am hazy. The people voted (constitutional am

> This was something the Swiss experimented with a few years back. Not altogether happily, I seem to recall, but I am hazy. The people voted (constitutional amendment) to limit free movement. The EU said "hmm, no", so they basically fudged it. There's a summary (in French) at https://www.eda.admin.ch/missions/mission-eu-brussels/fr/home/dossiers-prioritaires/libre-circulation-personnes.html https://www.eda.admin.ch/missions/mission-eu-brussels/fr/hom... which basically says the Swiss parliament passed a law that respected the requirements of that constitutional amendment while still meeting Switzerland's free-movement treaty obligations.