User Activity

I need to know who is responsible for ebay deciding that I now after selling for 2 years , can't receive payments? I don't even care about how to fix it at this point. Ebay could just keep paying me into the same account I've been using for the last ...
Why does the site keep stopping my payments and telling me I need to update my bank account.? It's been using my bank account just fine for the last 12 months but now it's trying to stop me around. Who is responsible for this and where do I find them...