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CROSS - B ORDER COLLECTION · A GUIDE FOR UK LAWYERS Custodian Abroad: Cross-Border Collection Data Transfer, Blocking Statutes and Local Law When the Evidence Sits in Another Country COMPUTER FORENSICS LAB

§ ABOUT THE AUTHOR PREPARED BY COMPUTER FORENSICS LAB E-DISCOVERY TEAM ESTABLISHED 2007 · LONDON ISO 17025-ALIGNED PROCEDURES CROSS-B ORDER COLLECTION TRANSFER & BLOCKING-STATUTE ANALYSIS CPR PART 35 EXPERT REPORT S FULL CHAIN-OF-CUSTODY DOCUMENTATION

§ CONTENTS In this guide 01 Executive summary 02 The problem in plain English: the evidence is under someone else's law 03 International data transfer under the UK GDPR 04 Blocking statutes and local law that forbid what disclosure demands 05 The routes: cloud-side, in-country collection and letters of request 06 Planning the cross-border collection with local counsel 07 Deployment: reconciling English disclosure duties with foreign law 08 Source architecture: where else the evidence lives 09 Worked examples 10 Common mistakes and technical limitations 11 Questions to ask · Suggested wording 12 Checklist and red flags · When to involve a digital forensic expert 13 Frequently asked questions 14 Glossary · References · Disclaimer · How a specialist laboratory can assist

§ 01 · ORIENTATION Executive summary THE HEADLINE POINT: ACUSTODIANABROADTURNSCOLLECTIONINTOALEGAL EXERCISEBEFOREATECHNICALONE: THEDATAISUNDERLOCALLAW, ITS TRANSFER TOENGLANDISRESTRICTED, ABLOCKINGSTATUTEMAYCRIMINALISEEXPORT, AND THEEVIDENCEMUSTBECOLLECTEDBYAROUTETHATSATISFIESENGLISHDISCLOSURE ANDFOREIGNLAWATONCE, PLANNEDWITHLOCALCOUNSELFROMTHESTART

§ 02 · FIRST PRINCIPLES The problem in plain English: the evidence is under someone else's law

§ 03 · INTERNATIONALDATATRANSFER International data transfer under the UK GDPR