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Collection

Supplementary codes for digital verification services

The supplementary codes which services can certify against alongside the UK digital verification services trust framework.

Alongside the UK digital verification services trust framework, digital verification services can become independently certified against additional sets of rules known as ‘supplementary codes’.

A supplementary code builds on the rules in the trust framework to show how services can meet additional requirements in specific use cases or sectors.

Digital right to work checks

The supplementary code for digital right to work checks

Digital right to rent checks

The supplementary code for digital right to rent checks

Disclosure and Barring Service digital identity checks

The supplementary code for Disclosure and Barring Service digital identity checks

Supplementary codes no longer in force

OfDIA updates the supplementary codes it publishes over time. As new supplementary codes are published, some previous versions will no longer be in force, and no certifications against them will be permitted.

Section 0 of the most recent version of any given supplementary code will help you understand which versions you can certify against.

Updates to this page

Published 26 June 2025
Last updated 1 September 2026 Show all updates
  1. Collection page updated to reflect the publication of new 1.1 versions of the right to work and rent supplementary codes, which means the 1.0 versions of those codes never come into force.

  2. Correcting an incorrect link in the right to rent collection, which was to the right to work supplementary code.

  3. First published.