Their point is in their terms and conditions is that all deposits must be made with a bank deposit from the name the bet Victor account is registered as. As such they are using that breach to close your account and confiscate your winnings. Why did it take a big win to check back to September? Well that's what they do the SLIMY so and sos. They will do anything to get out of paying out such a large amount, it sucks but that's the way they treat their so called valued customers. Let casino guru handle your complaint but once you have broken their t@cs casinos are ruthless.
Betvictor are screwing you over for your money because you broke their terms and conditions on that previous transaction, not sure if there is anything you can do. You offered to pay back your winnings from the joint deposit and they turned down your offer confiscated your money and closed your account. They don't like paying casinos if they can see a way out. Not sure what more you can do.
You will soon be redirected to the casino’s website. Please wait. If you use some ad blocking software, please check its settings.