45-351.01. Holder of contract; extension or deferment authorized; fee.
The holder of a retail installment contract may, upon agreement with the buyer:
(1) Extend the scheduled due date or defer the scheduled payment of any installment payment under the retail installment contract; and
(2) Charge and collect a reasonable flat service fee for such extension or deferment in addition to the time-price differential calculated for the period of such extension or deferment at the rate originally agreed upon in the retail installment contract on the outstanding balance.
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