Blue J is built on a foundation of trusted tax authority. Our team of tax experts curates and continuously updates the sources behind every answer, so you can quickly verify conclusions and research with confidence.
In the U.S., Blue J covers federal and 50-state tax authorities, including the Internal Revenue Code, Treasury regulations, IRS guidance, court decisions, and state and local tax materials.
In Canada, coverage includes the Income Tax Act, CRA guidance, federal and provincial case law, and key provincial tax regimes.
In the U.K., Blue J draws on Finance Acts, HMRC guidance, and decisions from courts and tribunals.
For international tax matters, Blue J also incorporates leading global resources, including OECD materials and IBFD content, helping you navigate cross-border issues with greater clarity and confidence.
The result is a single, authoritative research foundation that helps you move faster, stay confident in your analysis, and trace every answer back to its source.