(1)  If a gas entity has an exclusive right to sell gas to non-contestable customers, it is a condition of the licence that the gas entity must –

(a) on request by any person, offer to supply gas to a gas installation in the exclusive franchise area on commercially reasonable terms and conditions; and

(b) on compliance by the person with the terms and conditions offered by the gas entity, supply gas to the gas installation.

(2)  The terms and conditions on which a gas entity offers to supply gas under subsection (1)  –

(a) must allow for the sale of gas on the basis of the relevant tariff, but so as to allow for the possibility of negotiated contractual arrangements that are not based on the tariff; and

(b) may require the customer to pay, or contribute to, the costs of establishing and maintaining the necessary connection with the gas distribution system.

(3)  Negotiated contractual arrangements with a contestable customer may require the customer to pay for, or contribute to, the cost of gas distribution services.