Jurisdiction guide
Researching New York Law
New York publishes its statutes, its regulations and its court decisions in separate places, and it names its courts in a way that misleads newcomers.
A New York question usually arrives as a business or property problem: a board decision someone wants to challenge, a building two siblings own together, a lender that needs a license, a restaurant working out who keeps the tips. Each of those leads to a statute, a regulation and a line of decisions, and New York keeps all three in different places. This guide shows where each one lives, how to tell which version you are reading, and where the court names trip people up.
Statutes: the consolidated and unconsolidated laws
New York's Constitution and statutes are published on the State Senate's website, alongside separate links for the Assembly and the Senate themselvesS29. Most statutes sit in named bodies of law such as the Education Law or the Civil Practice Law and Rules. The Senate's own data service gives each one a three letter code, using EDN for the Education Law as its example, and sorts every law into one of five types: consolidated, unconsolidated, court acts, rules and miscellaneousS30. A law that you cannot find among the consolidated laws may simply be filed under another type.
The same service keeps track of change. It records each law by a published date and can return a law roughly as it stood in any week since October 2014S30. That matters when a question turns on an older event. Note the date of the text you read, and if the facts happened before an amendment, look for the wording in force at the time.
Regulations: the NYCRR
Agency rules are collected in the New York Codes, Rules and Regulations. The state publishes the official text on its own website, and the Legal Information Institute keeps a free copyS29. The titles follow the agencies: Title 3 is Banking, Title 12 the Department of Labor, Title 22 the Judiciary and Title 23 Financial ServicesS31.
Two notes on Title 23 save time. Part A of Chapter 62 of the Laws of 2011 merged the Insurance and Banking Departments into a new Department of Financial Services from 3 October 2011, and older regulations that still name the old departments are read as naming the new oneS32. The free copy is refreshed quarterlyS32, so a rule changed last month may not show there yet. Quote the official text, and use the free copy to find your way.
Courts: the Supreme Court is a trial court
In most American systems the supreme court sits at the top. New York uses the name for its broadest trial-level courts, the ones with unlimited original jurisdiction, which is why a case can be decided by the Kings County Supreme Court in BrooklynS33. A trial court of general jurisdiction hears a case first and finds the facts; an appellate court reviews what the trial court did, usually on questions of lawS34. A New York Supreme Court decision is that first, trial-level decisionS34.
The appellate courts have their own pages. The judiciary lists the Court of Appeals and the Appellate Divisions separately, along with the Uniform Rules and a decisions searchS29. When you cite a New York decision, record which of these courts wrote it. A Supreme Court ruling tells you how one trial judge read the law, and an appellate decision may say something different.
Judgments from other states and other countries
Courts in New York must respect the judgments of courts in other American states, under the full faith and credit requirement drawn from Article IV, Section 1 of the federal ConstitutionS28. A federal statute applies the same rule to authenticated records and judicial proceedings from every state and territoryS26. New York keeps those judgments in Article 54 of the Civil Practice Law and RulesS21.
A money judgment from another country takes a different road. It must first win recognition under Article 53 before it can be registered and enforced under Article 54 or otherwiseS21. Article 53 changed in 2021S20S21, and the guide to enforcing foreign judgments in New York works through it section by section.
A comparison worksheet
| Question | What the general source says | Where to look next |
|---|---|---|
| A board or director decision | Wex describes the business judgment rule as a presumption in favor of the board, which gross negligence, bad faith or a conflict of interest can defeatS35. | That description is general. Find the New York statute and New York decisions on directors' duties before applying it. |
| Land owned by more than one person | Partition divides a concurrent interest in land, by agreement or by court order, and a court may order a sale when the land cannot be divided fairlyS36. | Look for New York's own partition procedure and decisions. The general description carries no New York steps. |
| Lending, banking or insurance | The Department of Financial Services regulates under Title 23, and Title 3 holds the banking rulesS31S32. | Read the official NYCRR text and note the date. Older rules may still name the Banking or Insurance DepartmentS32. |
| Wages, tips and workplace rules | Title 12 holds the Department of Labor's regulationsS31. | Pair the regulation with the statute it was made under, then check decisions applying both. |
| A judgment from another state or country | Sister-state judgments sit under Article 54; foreign-country money judgments need recognition under Article 53 firstS21. | Use the foreign judgments guide, and the United States guide for the federal side. |
Each row points to sources. None of them says how a New York court would decide your problem.
Research steps, in order
- Name the body of law. Decide which consolidated or unconsolidated law is likely to govern, and note its type and codeS30.
- Date the text. Record the published date of the version you read, and find the earlier wording if the events came before a changeS30.
- Find the regulations. Go to the NYCRR title for the agency, read the official text, and use the free copy only to locate itS29S31.
- Read the decisions, and note the court. Mark each decision as Supreme Court, Appellate Division or Court of Appeals. A Supreme Court decision is a trial-level rulingS33S34.
- Check the federal layer. Some questions also turn on federal law. The United States guide covers the Code, the CFR and the federal courts.
- Keep a research log. Write down each source, its date and what it settled, so the next person can check the work instead of redoing it.
Common traps
- Reading "Supreme Court" in a New York caption as the state's top court. New York uses the name for its broadest trial-level courtsS33.
- Quoting the free NYCRR copy as the official rule. The state publishes the official text, and the free copy is updated quarterlyS29S32.
- Taking a general American definition for New York law. The Wex entries on the business judgment rule and partition describe the field, not New York's version of itS35S36.
- Treating a foreign-country judgment like a sister-state one. The first needs recognition under Article 53 before Article 54 helpsS21.
Related reading on this site
- Enforcing foreign judgments in New YorkArticle 53 as amended in 2021, the grounds for refusal, and the Hague Conventions.
- Researching United States lawThe federal Code, regulations and courts that sit above and beside New York law.
- Researching Texas lawThe same method applied to another state, for comparison.
- Comparative law toolsFor setting a New York rule beside another system's.
Sources
Each page below was fetched and read on the date shown. That records what the page said that day. It is not a legal review, and the law or the page may have changed since.
- S29 New York Legal Materials. Legal Information Institute, Cornell Law School. https://www.law.cornell.edu/states/new_york. Checked 2026-10-23.A directory of links to New York's own publishers. It states no rule of law.
- S30 NYS Laws API documentation (Open Legislation). New York State Senate. https://legislation.nysenate.gov/static/docs/html/laws.html. Checked 2026-10-23.Technical documentation for the Senate's law data. Used here for how laws are identified and dated, not for what any law says.
- S31 New York Codes, Rules and Regulations: title index. Legal Information Institute, Cornell Law School. https://www.law.cornell.edu/regulations/new-york. Checked 2026-10-23.An unofficial copy of the NYCRR title list. The state website is the official route to the text.
- S32 NYCRR Title 23, Financial Services. Legal Information Institute, Cornell Law School. https://www.law.cornell.edu/regulations/new-york/title-23. Checked 2026-10-23.The title page and its editorial notes, in an unofficial copy updated quarterly. Says nothing about any single rule.
- S33 supreme court (Wex legal dictionary). Legal Information Institute, Cornell Law School. https://www.law.cornell.edu/wex/supreme_court. Checked 2026-10-23.An introductory definition last reviewed by its editors in October 2024. Orientation, not authority.
- S34 trial court (Wex legal dictionary). Legal Information Institute, Cornell Law School. https://www.law.cornell.edu/wex/trial_court. Checked 2026-10-23.An introductory definition last reviewed by its editors in May 2022. Orientation, not authority.
- S28 full faith and credit (Wex legal dictionary). Legal Information Institute, Cornell Law School. https://www.law.cornell.edu/wex/full_faith_and_credit. Checked 2026-10-23.An introductory definition last reviewed by its editors in December 2022. Orientation, not authority.
- S26 28 U.S. Code § 1738, full faith and credit for state acts and judicial proceedings. Legal Information Institute, Cornell Law School. https://www.law.cornell.edu/uscode/text/28/1738. Checked 2026-10-23.Covers the states, territories and possessions of the United States. It does not reach judgments of foreign countries.
- S21 Uniform Foreign-Country Money Judgments Recognition Act (committee report). New York City Bar Association, Commercial Law and Uniform State Laws Committee. https://www.nycbar.org/reports/uniform-foreign-country-money-judgments-recognition-act/. Checked 2026-10-22.A bar committee report on the 2021 bill, with a note that the Governor signed it as chapter 127. Commentary that explains the change, not authority for it.
- S20 Senate Bill S523A (2021), amending CPLR Article 53. New York State Senate, Open Legislation. https://legislation.nysenate.gov/pdf/bills/2021/S523A. Checked 2026-10-23.The bill as amended and passed, showing the old and new wording of Article 53 side by side. A bill print, not the official compilation of the CPLR; S21 records that it became law.
- S35 business judgment rule (Wex legal dictionary). Legal Information Institute, Cornell Law School. https://www.law.cornell.edu/wex/business_judgment_rule. Checked 2026-10-23.A general American description, last reviewed in June 2022. It is not a statement of New York law.
- S36 partition (Wex legal dictionary). Legal Information Institute, Cornell Law School. https://www.law.cornell.edu/wex/partition. Checked 2026-10-23.A general description, last reviewed in July 2020. It says nothing about New York procedure.
This guide describes where New York law is published and how to read it. It does not say which law governs your situation or what that law requires, and it is not legal advice.
Sources checked 2026-10-22 to 2026-10-23. 12 sources cited on this page.