# Water Industry Act 1991, Paragraph 5


A wholesale authorisation given by a water supply licence is an authorisation to the water supply licensee to introduce water into the supply system of a water undertaker—
(a) by means of which system any particular supply in accordance with a retail authorisation (whether the licensee's or another water supply licensee's) is to take place, and
(b) where that introduction is to be made in connection with that intended supply.

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Source: https://www.legislation.gov.uk/ukpga/1991/56/schedule/2A/paragraph/5 (the official version)
Page: https://openlegislation.uk/water-industry-act-1991/schedule-2A/paragraph-5
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.