Picto thématique

Rule n° 60 - The transaction’s reference number is displayed to the customer, once the order has been placed.

On the Internet, each transaction has an identifier or reference. This number makes it possible to trace the history of a banking transaction. In other words, in the event of a problem, it is a fundamental piece of data.

#e-commerce #Conception #Development


  • Allow users to see and, potentially, print out a trace of their orders.
  • Give users written proof of the transaction.
  • Improve the traceability of transactions.


Indicate the reference of the transaction on the confirmation page after validation of an online purchase.


In an e-commerce website:

  • Complete an ordering procedure:
  • Check that the transaction reference is correctly indicated on the order confirmation page displayed after validation of an online purchase.

By Opquast - Read the license

Opquast training and certification

The objective of these rules and the Opquast community mission is ‘making the web better’ for your customers and for everyone! Opquast rules cover the key major areas of risk that can negatively affect website users such as privacy, ecodesign, accessibility and security.

Opquast training has already allowed over 13,500 web professionals to have their skills certified. Train your teams or your students, contact us