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Every casino has their own rules, it is important to know the casino well before you join. Document clarity is important for doing KYC, it is common. So you have to follow all the requirements to complete the kyc process, because you cannot go beyond their rules. A casino looks good until someone runs into a problem. So before joining any casino it is important to read T&C of that casino well to avoid any problem.
What is often a problem now is that many gamblers, especially those who are still beginners, forget the rules or regulations made by the casino, so they often get into trouble due to a lack of knowledge and understanding of all the existing rules.
Even though it is clear that casinos have Tos and FAQs to inform rules and conditions for gamblers who will join the casino.
Things like this should be a concern for most gamblers, especially about the KYC verification rules, which in my opinion are not liked by many gamblers.
It is better to be a wise gambler and obey the rules of the casino so as not to get into trouble in the future.