Regulation (EU) 2025/40Applies from 12 Aug 2026Independent publication - not legal advice
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Home / Station 10 - Declaration of conformity and technical documentation / Guide

Digital Documentation Systems: Holding Hundreds of Files Without Losing Them

Registers, structured data and workflow for the conformity archive at scale: what to digitise first, the register fields that matter, and the line between a document store and a compliance system.

Published 24 October 2026Checked against the regulation text on 24 October 2026European Union

The short answer

At portfolio scale - hundreds of packaging lines, thousands of evidence artefacts, rolling retention clocks - the conformity archive is a data system or it is a liability. The architecture that works has three layers: registers (structured records for packagings, declarations, evidence, certificates, changes and label versions, each with owners and currency dates), documents (the rendered artefacts hanging from register entries by identifier), and workflow (the gates and calendars that keep the registers current - change assessments, expiry sweeps, retrieval drills). Digitise in that order: registers first, because they are what management and auditors actually query; workflow next, because currency is the system's chronic disease; document rendering last, because a beautiful store of stale documents is the failure mode digitisation was meant to cure.

This closing guide of the station specifies the registers and the queries they must answer.

The registers and their fields

The packaging register: identity, family, specification version, markets, manufacturer identity, file location. The declaration register: packaging, version, signatory, languages, specification version covered, issue and review dates. The evidence register: artefact, type, packaging and specification anchored, issuer and scope, issue and expiry or currency dates. The change register: event, trigger class, disposition, declaration version outcome. The label register from the labelling station joins the same spine. Fields are few and mandatory; a register field nobody maintains is deleted, not lamented. With these five registers current, the system's state is a set of queries away at any moment - which is the definition of control in a self-assessment regime.

The queries the system must answer

Specify the system by its questions. Which placings lack a current declaration (the launch gate's question)? Which evidence expires within ninety days across live lines (the calendar's question)? Which declarations cite the superseded standard (the legal milestone's question)? Show the complete file for this consignment's packaging (the authority's question, timed)? Which lines rely on the certificate that just lapsed (the incident question, at incident speed)? A system - whether a dedicated platform, a PLM module or a disciplined spreadsheet estate - that answers these in minutes is a compliance system. One that answers them in a fortnight of searching is an archive with a search box, and the difference will be measured by someone else's clock.

Convergence: one data spine for every station

Step back and the pattern of this whole guide series converges here: the component map feeds the labels, the grades, the files; the substance dataset feeds declarations, files and digital disclosure; the registers of claims, labels, declarations and evidence share identifiers and triggers. Businesses that build the spine once - product and packaging master data with regulatory attributes - find each new duty an extension; businesses that build per-duty spreadsheets find each new duty a reconciliation. The PPWR's second decade will add duties (the passport era is visible from here). The spine is the investment that makes them cheap, and this station's systems are where it is built.

A buying note for platforms

When evaluating dedicated platforms, test with your worst data, not their demo data: the legacy line with three names, the certificate as a photographed page, the family whose declaration covers eleven variants under two brands. Platforms earn their price on entity resolution and exception reporting, not on dashboards. Ask also the exit question - the archive must outlive the vendor, in exportable, legible form, as the retention guide's format discipline requires. A compliance system you cannot leave is a retention risk wearing a subscription.

The spreadsheet floor: minimum viable system

Nothing in this guide requires enterprise software. The minimum viable system is five registers in structured spreadsheets with disciplined identifiers, a document store with a naming convention that cites register keys, and the calendar automations (expiry views, review lists) that spreadsheet tooling already provides. Its limits are concurrency and scale, not legitimacy - an authority cares about the answers, not the platform. Businesses should therefore digitise the registers now, on the floor system, and let platform procurement follow the growth of the estate rather than gate it. The registers' structure, once true, migrates; a pile of unregistered documents does not.

Primary sources on the record

Legal status: Systems practice under Articles 15-18 of Regulation (EU) 2025/40. Application position for this topic: From 2026 onward.

Follow the line

Station 10 - Conformity and documentation The EU Declaration of Conformity and Technical Documentation: Annex VII Explained Every packaging line needs a declaration that it conforms, and a technical file that proves it. The pillar guide to the PPWR's conformity system: what the declaration states, what the file contains, who signs, and how long it all lives. Station 10 - Conformity and documentation Keeping the File: Retention for Five and Ten Years Declarations and documentation live five years from placing for single-use packaging, ten for reusable. Retention architecture: what 'available' means in year nine, format migration, and the company-events that destroy archives. Station 10 - Conformity and documentation Annex VII Technical Documentation: The Complete Contents Checklist General description, design data, composition, the requirement-by-requirement evidence index, test reports, calculations and supplier documentation. Annex VII turned into an assembly checklist with the traps marked.