So is 'the services not provided' the right mastercard reasoning or something else could still work?
The right chargeback reason code should be THE MERCHANT IS A CRIMINAL but strangely neither visa or master card provide these……hum ( eventually they may fine them, making some extra money
http://www.sberbank.com/compliance/ukipk
could well involve wrong doing of your own Bank, report it were ever you can
btw, what info’s show on your Credit/Depit card bill
a quick look into Bulgarian expertise, what you get for 220 bugs, plus a merchant account and you are ready to rob the world, for sure one may sell any kind of poison, as long as all make some percent of revenue…
https://bulgarianlaw.co/en/open-company-in-bulgaria/
https://bulgarianlaw.co/en/payment-solutions-bulgaria-bank/