1. No they do not accept USA players because it is restricted on tier 1 (can view, cant register) check https://btc365.com/help/terms for more information.
2. There is no specific terms about KYC, but as per FAQ you can request withdrawal once you verify your email address.

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@btc365partners, are you official representative from the casino or you are partner only who are trying to get commissions? If you are official representative, you should create a better Announcement thread. Having copper membership can be a good start so you can post images with direct link to the casino. With what you have now, users need to find your site manually = not a good way to attract potential players.