https://www.gov.uk/government/publications/criminal-procedure-and-investigations-act-1996-section-231-code-of-practice
Revised in accordance with section 25(4) of the Criminal Procedure and Investigations Act 1996.
criminal procedureinvestigationsactsectioncode
https://www.legislation.gov.uk/ukpga/1995/46/resources
An Act to consolidate certain enactments relating to criminal procedure in Scotland.
criminal procedurescotland act