What changed in ODS in U16600. History comes from monthly NHS releases until August 2026, then from the ODS API every 6 hours.
Showing changes by the date ODS says they took effect.
Effective 15 Apr 2026
Effective 15 Apr 2026
Effective 15 Jul 2024
Effective 31 May 2023
Effective 31 May 2023
Effective 24 Mar 2021
Effective 12 Feb 2021
Effective 5 Oct 2020
Effective 1 Oct 2020
Effective 1 Oct 2020
Effective 1 Apr 2018
Effective 1 Apr 2018
Effective 1 Apr 2018
Effective 1 Apr 2018
25 changes in the chart (notable), counted by date effective.