![](https://lemmy.nekusoul.de/pictrs/image/cb87807f-782a-4a71-953c-fad2d6d617ed.png)
![](https://fry.gs/pictrs/image/c6832070-8625-4688-b9e5-5d519541e092.png)
At the very least I’d say that UK/Germany would be a good bet. Though the idea of just plastering the note over the whole video might do the trick, considering that’s what some German channels already do if they are sponsored to stay on the safe side.
Germany has the “Medienstaatsvertrag” §8.3, which requires advertisements to be easily recognizable as such and also adequately separated through audio or visual cues.