The site owner must add the following sentence as a clause to the User Agreement to be approved by the end users who will be a member of the website.
Customer (end user) shall inform the transfer to Turk Elektronik Para A.Ş. of the payment method, membership and order, in order to ensure payment and to prevent, investigate and detect payment irregularities and Param consent to the processing and storage of the Privacy Policy at https://param.com.tr/Gizlilik-Politikasi.aspx as described in the latest.
Param uses Turkish banks' deposits and if these transactions come from the Turkish card as a transaction currency, in accordance they refuse the "Turkish Lira Law" For this reason, if the system tries to exchange foreign currency with Turkish cards, the error message "Foreign currency cannot be paid with cards" is returned.