The Lord Chief Justice has the power under the Courts Act 2003 and the Constitutional Reform Act 2005 to make directions as to the practice and procedure of the criminal courts. These directions supplement, and should be read in conjunction with, the Criminal Procedure Rules 2025 (CrimPR 2025), SI 2025/909 as amended. For information on CrimPR 2025, SI 2025/909, see Practice Note: The Criminal Procedure rules. Together, the CrimPR 2025, SI 2025/909 and the Criminal Practice Directions (referred to as the CPD), govern the practice and procedure to be followed in all criminal courts including magistrates' courts, Crown Courts, Court of Appeal (Criminal Division) and in extradition appeal cases before the High Court. It is therefore important that all criminal lawyers are familiar with the requirements of both the CrimPR 2025, SI 2025/909 and the CPD. The CPD and the Practice Direction (Costs in Criminal Proceedings) are amended as required, usually in line with amendments to the CrimPR. The CPD were consolidated in 2023 as the Criminal Practice