Je was op zoek naar: cobrand (Engels - Grieks)

in this case, visa or mastercard cards would be issued and acquired in the country, meaning that there is no need to cobrand as crossborder transactions would automatically be covered by the same schemes.
Τα τετραμερή συστήματα καρτών υποδιαιρούνται σε δύο κατηγορίες, στα εθνικά και στα διεθνή συστήματα:

3) cobrand with an international card scheme (as is already the case in most countries today), provided that both schemes in question are scf-compliant.
να διαφέρουν εντός και μεταξύ των χωρών της ζώνης του ευρώ.