US law

US law, coming to Justis

Federal and state statutes, regulations, constitutions and court rules, each with its citation and official source. We are preparing the library; browsing is not open yet.

What it covers

The law as written, federal and state

Federal law

The US Code and the Code of Federal Regulations, title by title.

State statutes

Every state's codes, organised by title, chapter and section.

Regulations

State administrative codes alongside the federal CFR.

Constitutions and court rules

The federal and state constitutions and the rules of court.

Every state, one place

All 50 states, the District of Columbia and the territories, side by side with federal law.

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US tax

Tax law has its own library

The Internal Revenue Code, Treasury regulations, IRS guidance and Tax Court opinions.

See US tax
For developers

US law as an API

Statutes and regulations as JSON with citations, for your product or AI. Access is by request.

Request API access
FAQ

Common questions

Can I browse US law on Justis?

Not yet. The US library is being prepared and browsing is not open. Email help@askjustis.com and we will tell you when it opens.

What will the US library cover?

Federal law (the US Code and the Code of Federal Regulations) and, for every state, its statutes, regulations, constitution and court rules, each with its citation and official source.

Is there an API for US statutes and regulations?

Yes, on request. Email help@askjustis.com with what you are building.

Is US tax law included?

US tax sources have their own library and API: see askjustis.com/us/tax.