The Public Service Pensions Revaluation Order 2018

Section 9 of the Public Service Pensions Act 2013 (c.25) applies to public service pension schemes established under that Act which require a revaluation of pensionable earnings, or a portion of such earnings accrued as a pension, by reference to a change in prices or earnings (or both) in a given period.

Link: The Public Service Pensions Revaluation Order 2018
Source: Legislation .gov.uk