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The Electronic Books Preservation Act & DX: Handling Electronic Transaction Data

An invoice received by email, a receipt from an online purchase — such "electronic transaction" data must be stored in line with the Electronic Books Preservation Act. For those who feel "this looks hard" or "I'm not sure we're compliant", here is a gentle guide to the rules and the concrete steps to take.

2026.06.20 updated 7 min read
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What you'll learn here
  • The three categories of the Act (which is mandatory?)
  • Concrete examples of "electronic transactions"
  • The two requirements to meet (integrity, legibility)
  • Practical steps SMEs can take right away

01The three categories of the Act

The Electronic Books Preservation Act sets rules for storing books and documents electronically. It has three broad categories, and whether you must act differs by category. First, grasp "which one is mandatory".

CategoryWhat it isAction
1. Electronic books etc.Store software-generated books etc. as dataOptional
2. Scanner storageScan paper invoices etc. and storeOptional
3. Electronic transaction dataStore data received by email etc.Mandatory
Key point
Of the three, categories 1 and 2 are optional. Only category 3, "electronic transaction data storage", is mandatory. Make compliance here your top priority.

02Concrete examples of "electronic transactions"

"Electronic transactions" means invoices, receipts, orders and the like exchanged electronically. The following qualify.

  • Invoices and receipts arriving as email attachments (PDF etc.).
  • Purchase histories and receipts from online shopping (downloaded from a web screen).
  • Usage statements from credit cards or payment apps (received electronically).
  • Transaction data exchanged via cloud services or EDI.
Caution
The idea that "printing what you received electronically and filing the paper is fine" is mistaken. As a rule, what you receive electronically must be stored as electronic data, in line with the requirements. Quite a few businesses misunderstand this.

03The two requirements to meet

Storing electronic transaction data has two broad requirements: "ensuring integrity" and "ensuring legibility".

RequirementMeaningExample of how to meet it
IntegrityIt has not been tampered withTimestamps, systems that log edits/deletions, an operational-procedure policy
LegibilityIt can be found quicklyMake it searchable by date, amount and counterparty

For SMEs, using a compliant cloud service, or putting an "operational-procedure policy" in place internally, meets the requirements relatively simply.

04Practical steps SMEs can take right away

  1. List the documents you receive by electronic transaction (email, web, payment apps, EDI, etc.).
  2. Decide storage-location and file-name rules (e.g. "date_counterparty_amount").
  3. Set up a way to search (use accounting software or a dedicated document-storage service).
  4. Put an "operational-procedure policy" in place to prevent tampering (templates are published).
  5. Share the rules among staff and keep the operation going.
Key point
Many cloud accounting packages and dedicated document-storage services meet the search and anti-tampering requirements automatically, greatly cutting the effort. Rather than toughing it out with manual folder management, letting tools handle it is the realistic choice.

For building a storage setup that fits your company, and for linking it with cloud accounting, consult Aquamarine Consulting Group. We'll propose a reliable approach that isn't a strain.

Summary

Of the Act's three categories, only "3. electronic transaction data storage" is mandatory. Prioritize it first.

Invoices and receipts received by email or on the web should be stored as data, not printed out.

Put in place a setup that meets the two requirements: "integrity (anti-tampering)" and "legibility (search)".

Many cloud tools meet the requirements automatically — more realistic than manual work. We're happy to advise.

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This article is based on information available at the time of publication. Rules and systems may change. Please consult a professional before making any individual decisions.

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