(a) No dealer or distributor of liquid propane gas or number 1 or number 2 fuel oil who has signed a low-income home energy assistance program vendor agreement with the Department of Commerce may refuse to deliver liquid propane gas or number 1 or number 2 fuel oil to any person located within the dealer's or distributor's normal delivery area who receives direct grants under the low-income home energy assistance program if:
(1) the person has requested delivery;
(2) the dealer or distributor has product available;
(3) the person requesting delivery is capable of making full payment at the time of delivery; and
(4) the person is not in arrears regarding any previous fuel purchase from that dealer or distributor.
(b) A dealer or distributor making delivery to a person receiving direct grants under the low-income home energy assistance program may not charge that person any additional costs or fees that would not be charged to any other customer and must make available to that person any discount program on the same basis as the dealer or distributor makes available to any other customer.
(c) The commissioner of commerce may enforce this section using any of the authority granted to the commissioner under section 45.027.