Note, the 152nd PD update, which came into force on 1 December 2022, formally renumbered CPR PD 3E (costs management) as CPR PD 3D to reflect the cross referencing amends that were made in the Civil Procedure (Amendment No 2) Rules 2022, SI 2022/783 and 149th PD update, which provide that CPR PD 3E is renamed as CPR PD 3D. Where the court guides refer to CPR PD 3E, until formally updated, they should be read as referring to CPR PD 3D. This Practice Note provides a route map through to the costs management provisions within the following court guides: Commercial Court guide, Chancery guide, guide to the Financial List, Circuit Commercial (Mercantile) Court guide, Patents Court guide, Intellectual Property Enterprise Court guide, guide to the Intellectual Property Enterprise Court Small Claims Track, King’s Bench guide, Senior Courts Costs Office guide and the Technology and Construction Court guide. This Practice Note is to be read alongside the CPR and for further general guidance, see Practice Notes: Costs management and costs budgeting—general principles, Costs budgets—filing and exchange