However long they want!!
3 days
It took us 3 days for our payment to post, even though I received a "confirmation " right away!
It takes longer on the weekend. I paid a deferred payment agreement on the Friday it was due but the payment didn't go through until the following Tuesday. So it defaulted. I paid with a debit card. The best thing to do is get the refuel l receipt# if you can and then it goes in the system faster.
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