Выражение встречается в следующем контексте:
The On-line Gambling Credits Compliance Programme is to ensure that On-line gambling Merchants do not inappropriately use Visa credit vouchers to pay out cardholder winnings. On-line gambling Merchants whose monthly ratio of international credit vouchers to international sales transaction count meets or exceeds 5% will be assessed a fine for each international credit transaction over the 5% threshold.

Заранее спасибо