Sooner or later "Why do casino check ID?" becomes a practical matter for most players. Personal details change: people move, marry, switch banks and replace phones. A casino account has to follow, because its details are checked against documents and payment methods at every withdrawal. Updating them, closing an account that is no longer wanted and asking what data the casino holds are all routine requests, and each has a procedure worth knowing before it is needed.
Adding a new card or wallet usually needs a small verification of its own, and some casinos ask for a photo of the card with the middle digits covered. Removing an old method is often possible only after any balance deposited with it has been withdrawn. Where the account holds money and the original method has closed, support can arrange a bank transfer instead, once ownership of the new account is shown.
An account left unused for a long period, often twelve months, can be marked dormant. Some casinos then charge a monthly fee from the remaining balance, and after several years the balance may be handed to a regulator or a charity according to the licence. A login or a small transaction resets the clock. Withdrawing everything before walking away from a casino avoids both the fee and the paperwork of reclaiming money later.
Quick answers
What should happen to the balance before closing an account?
Withdraw it first, since money left in a closed account must be claimed through support later.
When does a casino account become dormant?
After a long unused period, often twelve months; some casinos then take a monthly fee from the balance, and a login or small transaction resets the clock.
Can email and phone number be changed without support?
Often they can be edited in the profile, with a confirmation code sent to the old email or phone number.
How is a new address updated on a verified casino account?
Support changes it after the player sends a dated document showing the new address, such as a recent bill.