You can translate the article into EN to get the gist: 

https://www.ambito.com/economia/litio/industrializar-el-lanzaran-modelo-a-la-chilena-cupos-e-incentivos-empresarios-n5647553

There's also some helpful commentary on twitter:  https://twitter.com/jczuleta/status/1624080206632833027?t=2hS5Oz6yk8AmddHHu0hq2A&s=19

I wonder if this is part of the explanation for todays sell off? Mind you, this article is a few days old.