So, you ask them every time before starting the swap process, even though you will send coins from the address you already sent from?
I didn't do that. after I first received confirmation that they would accept coins from the address. The next dozen orders, without any announcement, just swap. No problems so far.
Yes, because my refunded coins were addresses I had previously used with them.
It happened 2 or 3 times already. I am using another service which has no AML check, I posted about it in altcoinstalk exch thread.