2 mean that card is international interchange but use IC (chip)
2 mean that when card is used issuer must be contact via online means
0 mean that the card has no restrictions but the PIN is required
codes beginning with 5xx and 6xx are only for national USE
5 mean that card is national interchange only under bilateral agreements
x
x
6 mean that card is national interchange only under bilateral agreements and use chip
x
x
2 mean that card is international interchange but use IC (chip)
2 mean that when card is used issuer must be contact via online means
0 mean that the card has no restrictions but the PIN is required
codes beginning with 5xx and 6xx are only for national USE
5 mean that card is national interchange only under bilateral agreements
x
x
6 mean that card is national interchange only under bilateral agreements and use chip
x
x