The letter was despatched to 10 main credit card firms, together with the "Big Three," Visa, MasterCard and American Express.
ຈົດ ຫມາຍ ໄດ້ຖືກສົ່ງໄປໃຫ້ 10 ບໍລິສັດບັດເຄດິດໃຫຍ່, ລວມທັງ" ສາມໃຫຍ່," Visa, MasterCard ແລະ American Express.