# The Domestic Water and Sewerage Charges (Reduction) (Scotland) Regulations 2005, Regulation 4: Amount of Charges


(1) Where regulation 3 above applies, the amount of the reduction shall be calculated in accordance with the following formula:–
R=AB×(C-(DE×F×G365))
(2) In paragraph (1) above–
“A” is the amount of council tax benefit which that person receives in respect of that dwelling in respect of the relevant year;
“B” is the council tax for which that person is liable in respect of that dwelling in respect of the relevant year;
“C” is the amount which that person is liable to pay in respect of that dwelling in respect of the relevant year under a charges scheme, net of any discounts, exemptions and reliefs applicable under that scheme, for water charges or sewerage charges or both in respect of services actually received;
“D” is the amount which that person would be liable to pay in respect of that dwelling in respect of the relevant year under a charges scheme, if none of the discounts, exemptions and reliefs under that scheme were applicable, for water charges or sewerage charges or both in respect of services actually received;
“E” is the maximum potential water and sewerage charges which could be made by Scottish Water in respect of that dwelling;
“F” is £255;
“G” is the number of days in the relevant year for which that person is liable for council tax in respect of that dwelling; and
“R” is the amount of the reduction.
(3) In any case where R is zero or less, it shall be treated as zero.

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Source: https://www.legislation.gov.uk/ssi/2005/53/regulation/4 (the official version)
Page: https://openlegislation.uk/domestic-water-and-sewerage-charges-reduction-scotland-regulations-2005/regulation-4
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.