I can think of a few examples myself, such as fines for business daring to exposing public banners in Spanish [1] or the impossibility to study with Spanish as

I can think of a few examples myself, such as fines for business daring to exposing public banners in Spanish [1] or the impossibility to study with Spanish as a vehicular language [2]. [1] https://www.google.com/amp/www.lavanguardia.com/politica/20120222/54258472506/generalitat-impuso-226-sanciones-comercios-por-no-rotular-catalan-2011.html%3Ffacet=amp https://www.google.com/amp/www.lavanguardia.com/politica/201... [2] https://www.google.com/amp/www.elconfidencialautonomico.com/cataluna/catalanes-estudiar-castellano-colegios-privados_0_2450754911.amp.html https://www.google.com/amp/www.elconfidencialautonomico.com/...