# Gas Act 1986, Paragraph 3


(1) A supply exemption holder must not require a household customer to pay any sum in respect of a change of supplier by that household customer.
(2) Sub-paragraph (1) does not prevent a supply exemption holder from requiring payment of any termination fee payable under any contract between it and the household customer.
(3) A supply exemption holder must take all reasonable steps to ensure that a final bill in respect of any unpaid charges for gas supplied to a household customer’s premises is sent to that customer within 6 weeks of the date on which the supply exemption holder stops supplying gas to the premises.

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Source: https://www.legislation.gov.uk/ukpga/1986/44/schedule/2AB/paragraph/3 (the official version)
Page: https://openlegislation.uk/gas-act-1986/schedule-2AB/paragraph-3
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.