On a normal standard, it is expected that the casinos provides the proof to serve as evidence to their approved RTP their license operate with, but most of us care less about having a check on this, because in most cases, we can discover that the values varies from what they presented to what we see in playing, all these talks a lot about why they should have more transparency in their RTP, i also advise us to avoid unnecessary stress on a look for this, because it can be disappointing sometimes.