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Build Electronic Documents Questionnaire (PD31B EDQ)

Skill: Assemble a case ESI inventory into a completed PD31B EDQ

Region: United Kingdom Category: Legal / eDiscovery Does: Takes a party's inventory of electronically stored information (ESI) and assembles the completed Electronic Documents Questionnaire in the form annexed to CPR Practice Direction 31B, describing the documents, sources, custodians, and proposed search and disclosure approach. Spec: CPR Practice Direction 31B — Electronic Documents Questionnaire (the form annexed to PD31B)

The EDQ is exchanged in larger cases to inform discussion of electronic disclosure. Section/field names below follow the PD31B questionnaire, not a verbatim schema.


When this applies


Structure (ESI inventory → EDQ sections)

Section 1 — Scope and extent of the search proposed
  date ranges, custodians, document types, keyword/concept searches
Section 2 — Data sources
  per source: type (email, file share, mobile, cloud, backup),
  custodian, approx. volume, format, accessibility/cost
Section 3 — Preservation
  steps taken to preserve ESI; deleted/overwritten data
Section 4 — Tools and formats
  review platform, de-duplication, proposed exchange format (native/TIFF/load file)
Section 5 — Difficulties / disproportionality
  Statement of Truth (signed, dated)

Data rules


Worked example (outline)

Claim no. BL-2026-000123, Claimant Acme Ltd v Beta plc
  Search scope: 01/01/2023–31/12/2025; 4 custodians; keywords (12 terms)
  Sources: Exchange mailboxes (~80 GB), shared drive (~40 GB), 2 laptops
  Preservation: legal hold issued 2026-02; backups suspended
  Format: native + extracted text + standard load file
  Statement of Truth signed by Head of Legal, 2026-06-01

Served on the other party and filed ahead of the CMC.


Validation checklist


Last updated: 2026-06-04 — confirm the current form, CPR PD31B wording, and timetable against current authority (justice.gov.uk, CPR Part 31 / PD31B) guidance before use.