Office of Public Sector Information (formerly Her Majesty's Stationery Office)
www.opsi.gov.uk

Home Office
www.homeoffice.gov.uk
For a timetable of when provisions are due to come into force, and what further legislation is expected.

Department for Constitutional Affairs
www.dca.gov.uk
For Criminal Procedural Rules 2005 and brief explanations of constitutional rights related to the criminal process

Criminal Justice System for England and Wales
www.cjsonline.gov.uk
A guide to the criminal process for victims, defendants, jurors and witnesses

Home Office Police
police.homeoffice.gov.uk
For updated PACE Codes of Practice and police reform

The Crown Prosecution Service
www.cps.gov.uk
For the Code for Crown Prosecutors

Sentencing Advisory Panel
www.sentencing-guidelines.gov.uk/about/sap
The Panel examine areas of sentencing reform and publish recommendations to the government.