(1) A retailer may charge interest on a customer's account if the account is not paid before the end of the 14th day after the day it is due to be paid (the due date ).
(2) The retailer may charge the interest from the due date.
(3) However, if the customer is a small customer, the retailer must not charge a rate of interest that—
(a) is not published as part of its standing offer prices; and
(b) is higher than the default rate.
(4) Also, a retailer must not charge a small customer interest if it is prohibited by the National Energy Retail Law (ACT) .
Note A retailer must not charge a small customer interest on an amount undercharged (see National Energy Retail Rules , r 30).
(5) In this section:
"default rate" means the rate of interest that applies to an unpaid judgment debt in the Supreme Court.
Note 1 See the Court Procedures Rules 2006 , sch 2, r 2.3 (Interest on judgment after 30 June 2010—Supreme Court).
Note 2 The retailer must publish any interest charges on its website (see National Energy Retail Law (ACT) , s 2 (1), def standing offer prices and s 23).