# Railways and Transport Safety Act 2003, Paragraph 20


The Authority shall make an estimate of the likely ratio of customers' contributions in accordance with section 33(4)(b)—
(a) before and in relation to each consecutive period of five financial years, and
(b) at such other times and in relation to such other periods as the Authority think appropriate.

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Source: https://www.legislation.gov.uk/ukpga/2003/20/schedule/4/paragraph/20 (the official version)
Page: https://openlegislation.uk/railways-and-transport-safety-act-2003/schedule-4/paragraph-20
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.