Kurssiasetusten perusteella kurssi on päättynyt 30.11.2022 Etsi kursseja: LC-7210
This is the possessive structure, in Finnish: omistusrakenne.
Some of you wanted to know the names of the Finnish cases. You are not required to know them, but if you want to know the names, you can check the link which is above (scroll down to the very bottom of the page and you'll see the list of cases).