The process of withdrawing from Macau mobile casinos when using MasterCard is similarly straightforward. Start by choosing MasterCard as your payment method and entering the required card details. Specify the amount you'd like to cash out, then submit the request. Before you can receive the funds, however, the casino may require you to provide some proof of identity to verify your account. This is a necessary security measure, and it helps protect both the casino and the player. Once the casino approves the withdrawal request, the funds will be released to your card account within a few business days.