See what each tool is based on.

Our publication standard

1. Use the primary sourceStart with legislation, regulator guidance, official forms or official datasets rather than third-party summaries.
2. Record the versionKeep the source title, publisher, jurisdiction, canonical link, publication or version date and review date.
3. Define the supported checkState what the tool can test mechanically and which questions remain for the user.
4. Reject unsupported casesDo not approximate a result when the selected jurisdiction, document or scenario is outside the supported scope.
5. Review changesRecheck the mapping when an official source changes and identify which tool outputs may be affected.

Public source register

Current privacy rule pack reviewed 31 July 2026. Proposed changes are not treated as current law.