42(1)The regulations may make provision about how the Regulator is to determine whether charges payable by heat network consumers for, or in relation to, heating, cooling or hot water supplied by means of a relevant heat network contravene a condition of a heat network authorisation by reason of being disproportionate (see paragraph 14(5)(b)).
(2)The regulations may, in particular, make provision enabling the Regulator to specify from time to time the methods that are to be used by the Regulator to determine whether charges are disproportionate.