25. In this Chapter, and in Schedule 3—
“discounted tariff” means a relevant supplier’s tariff for the supply of a fuel type to domestic customers paying by a particular payment method, which is cheaper than that supplier’s reference tariff for the supply of that fuel type with that payment method;
“eligible customer”, in relation to a relevant supplier, means a domestic customer appearing to the supplier to meet criteria which were applied by the supplier in the period from 1st April 2010 to 31st March 2011 to determine eligibility for a financial benefit provided by the supplier under a voluntary commitment;
“fuel type” means—
electricity (other than as part of a supply of dual fuel);
gas (other than as part of a supply of dual fuel); or
dual fuel;
“payment method” means—
standard credit;
direct debit; or
pre-payment;
“reference tariff” means a tariff designated by the Authority under regulation 23(1);
“relevant benefit” means—
a discounted tariff; or
a rebate (of any amount), other than one provided under Part 3 or under Chapter 2 of this Part; and
“standard credit” means a payment method whereby payment—
is not made by direct debit; and
falls due periodically on or following the issue of a bill.