Maine — Maine Revised Statutes

Complete, unannotated statutory corpus and directed cross-reference citation graph for the State of Maine across all 64 active titles and 3,152 distinct chapters, cryptographically sealed from official Maine State Legislature Office of the Revisor of Statutes (legislature.maine.gov) sources.

64 Active Titles

3,152 Distinct Chapters

46,351 Statutory Sections

212,343 Subsections

28,221 Citation Edges

100% AKN 3.0 XSD Valid

Single-Snapshot Dataset Acquisition • 10/2026 Edition

Maine Revised Statutes — Complete Medallion Snapshot

One-time purchase for the complete October 2026 (10/2026) edition single-snapshot dataset of the Maine Revised Statutes. Includes perpetual commercial license rights to the Bronze raw source payloads, Silver OASIS Akoma Ntoso 3.0 XML archive, Gold Apache Parquet tables (sections, subsections, edges), and SHA-256 provenance manifests.

Price: $2,000 USD | Edition: 10/2026 Snapshot | Delivery: Snowflake Marketplace / Direct Archive | License: Perpetual Snapshot License | Purchase & Download Snapshot →

Keystone Legal Data — Commercial Dataset License Agreement Standard Single-Snapshot Terms (v2026.10)

1. Grant of Perpetual Single-Snapshot License

Upon payment of the one-time $2,000 USD license fee, Keystone Data Services LLC, d/b/a Keystone Legal Data ("Licensor"), grants Customer ("Licensee") a perpetual, non-exclusive, non-transferable, worldwide enterprise license to store, query, index, and use the 10/2026 Edition Single-Snapshot Dataset of the Maine Revised Statutes (including all delivered Bronze source files, Silver OASIS Akoma Ntoso 3.0 XML files, Gold Parquet tables, directed citation graph schemas, and cryptographic manifests, collectively the "Licensed Dataset"). Future statutory editions or legislative updates are sold separately as independent snapshots.

2. Permitted Enterprise, Analytics & AI/LLM Uses

Licensee may freely integrate the Licensed Dataset into internal data warehouses, legal research platforms, retrieval-augmented generation (RAG) pipelines, vector databases, knowledge graphs, and machine learning or large language model (LLM) training, fine-tuning, and inference systems, and may display statutory excerpts and citation outputs to end users in the ordinary course of Licensee's products and services.

3. Restrictions on Bulk Redistribution

While the underlying enacted statutory text of the State of Maine is in the public domain under the government edicts doctrine, the normalized schema, structural subsection shredding, OASIS Akoma Ntoso 3.0 XML markup, resolved citation graph topology, and cryptographic lineage manifests are proprietary data engineering deliverables of Licensor. Licensee may not resell, sublicense, publish, or redistribute the Licensed Dataset in bulk or as a standalone statutory data product or competing data catalog.

4. Provenance & Disclaimer of Warranties

Every record in the Licensed Dataset is cryptographically sealed via SHA-256 to its source legislative payload as published by the official legislative authority as of the snapshot date. The Licensed Dataset is provided "AS IS" for analytical and informational purposes and does not constitute legal advice. Licensor's aggregate liability under this Agreement shall not exceed the license fee paid for the snapshot.

Medallion Architecture Deliverables

Three-tier statutory distribution with end-to-end SHA-256 cryptographic lineage from raw legislative payload to analytical Parquet tables.

Bronze Layer

Immutable Source Payloads

Verbatim section payloads captured from the Maine State Legislature Office of the Revisor of Statutes (legislature.maine.gov) with wire-level SHA-256 hashes and structural hierarchy metadata.

Source Authority Maine Legislature Revisor
Sealed Payloads 46,351 Files
Lineage Manifest bronze_manifest.jsonl
Integrity Seal manifest.sha256 (0444)

Silver Layer

OASIS Akoma Ntoso 3.0 XML

Normalized, schema-validated OASIS LegalDocML (Akoma Ntoso 3.0) XML documents containing strictly enacted statutory text, subsection hierarchy, and session-law history citations.

XML Standard OASIS AKN 3.0 (XSD 1.0)
Validated Docs 46,351 / 46,351 (100%)
History Coverage 46,351 / 46,351 (100.0%)
Third-Party IP / Notes 0 (Strictly Stripped)

Gold Layer

Apache Parquet & Citation Graph

Snappy-compressed Apache Parquet tables (sections, subsections, edges) and pre-indexed DuckDB analytical catalog ready for immediate SQL, Polars, PyArrow, or RAG/LLM ingestion.

Section Table 46,351 Rows (29.44 MB)
Subsection Table 212,343 Rows (26.26 MB)
Citation Graph 28,221 Directed Edges
DuckDB Catalog keystone_mrs.duckdb

Artifact / Archive	Layer / Format	Records	Size	SHA-256 Cryptographic Seal
sections.parquet	Gold Columnar Table (Snappy Parquet)	46,351	29.44 MB	9e33f81e856b3e08aa8405850d63a7ec47c741893e576dc4ddf4b19e5a97898b
subsections.parquet	Gold Hierarchical Paragraphs (Snappy Parquet)	212,343	26.26 MB	c4498ec72024b20ad86f49ca27a89ecd1ec1a00fedfb0784604c186d13cb672b
edges.parquet	Gold Directed Citation Graph (Snappy Parquet)	28,221	453.07 KB	8bca435d515412cd19bc790c02e15d001707b1b2ff064dad81c939f33d339aa8
keystone_mrs_bronze_2026-10.tar.gz	Complete Bronze Source Archive (Raw Payloads + Manifests)	46,351 files	24.59 MB	5d7b77f39ef8cf528349472a5010cf4e2a25ede7c0eb6d95c95915079a3e2e70
keystone_mrs_silver_2026-10.tar.gz	Complete Silver OASIS AKN 3.0 XML Archive (XML + XSD + Manifests)	46,351 docs	33.80 MB	db578681616000607520331e5a48b45741d16445f134a104f59c340b235285d1
keystone_mrs_gold_2026-10.tar.gz	Complete Gold Release Archive (Parquet + Manifests)	286,915	47.27 MB	00946b7176be8103c7940a0a0d017050eedf885a8409fa125172486def1410c8
keystone_mrs_title1_sample.tar.gz	Title 1 Sample Showcase Slice (Title 1 — General Provisions)	292 secs	318.58 KB	6446cfe885f3b32827ff8eef31cdb5653ca26912a949f6a7e2a039a5b16d4246

Canonical Record Specimen: M.R.S. § 1-1003

Side-by-side view of Section 1-1003 (Procedures, rules and regulations) in Silver OASIS Akoma Ntoso 3.0 XML and Gold Parquet JSON representation.

            data/silver/mrs/akn_xml/title_1/MRS-1-1003.xml
            Silver OASIS AKN 3.0
          

<?xml version='1.0' encoding='utf-8'?>
<akomaNtoso xmlns="http://docs.oasis-open.org/legaldocml/ns/akn/3.0"
            xmlns:meta="https://pipeline.local/schema/meta">
  <act name="statute">
    <meta>
      <identification source="#pipeline">
        <FRBRWork>
          <FRBRthis value="/us-me/act/mrs/title-1/section-1-1003"/>
          <FRBRdate date="2026-10-17" name="snapshot"/>
          <FRBRcountry value="US-ME"/>
        </FRBRWork>
      </identification>
      <proprietary source="#pipeline">
        <meta:source_html_sha256>c97c44922745bbbc...f2462</meta:source_html_sha256>
        <meta:doc_id>MRS-1-1003</meta:doc_id>
        <meta:jurisdiction>US-ME</meta:jurisdiction>
        <meta:container_id>1</meta:container_id>
        <meta:chapter_id>Chapter 25</meta:chapter_id>
        <meta:chapter_name>GOVERNMENTAL ETHICS</meta:chapter_name>
        <meta:history_note>PL 1975, c. 621, §1 (NEW). PL 1979, c. 541, §A4 (AMD). PL 2007, c. 642, §1 (AMD).</meta:history_note>
      </proprietary>
    </meta>
    <body>
      <section eId="sec_1-1003">
        <num>1-1003</num>
        <heading>Procedures, rules and regulations</heading>
        <paragraph eId="sec_1-1003__para_1" class="indent-1">
          <num>1.</num>
          <content>
            <p>1. Procedures, rules and regulations. The commission shall
            adopt such procedures, rules and regulations as may appear
            necessary for the orderly, prompt, fair and efficient carrying
            out of its duties, consistent with...</p>
          </content>
        </paragraph>
        <paragraph eId="sec_1-1003__para_2" class="indent-1">
          <num>2.</num>
          <content>
            <p>2. Records. Except as provided in section 1013, all records of
            the commission, including business records, reports made to or
            by the commission, findings of fact and opinions, must be made
            available to any intereste...</p>
          </content>
        </paragraph>
      </section>
    </body>
  </act>
</akomaNtoso>

            gold.sections / gold.subsections / gold.edges
            Gold Parquet Row
          

// 1. sections.parquet (Primary Key: doc_id = "MRS-1-1003")
{
  "jurisdiction": "US-ME",
  "doc_id": "MRS-1-1003",
  "universal_doc_id": "US-ME-MRS-1-1003",
  "container_type": "title",
  "container_id": "1",
  "container_name": "Title 1 — General Provisions",
  "title": 1,
  "chapter_id": "Chapter 25",
  "chapter_name": "GOVERNMENTAL ETHICS",
  "subchapter_id": "Subchapter 1",
  "subchapter_name": "STATEMENT OF PURPOSE",
  "section_number": "1-1003",
  "heading": "Procedures, rules and regulations",
  "paragraph_count": 2,
  "history_note": "PL 1975, c. 621, §1 (NEW). PL 1979, c. 541, §A4 (AMD). PL 2007, c. 642, §1 (AMD).",
  "source_html_sha256": "c97c44922745bbbc84a7e592c11799b122094c6418e75c26529ce0584b4f2462",
  "akn_sha256": "68184244649a4c28a9cf6d63906a967d59e73854b0ce9d102813df18d7d9d3b3"
}

// 2. subsections.parquet (2 rows for MRS-1-1003)
{
  "doc_id": "MRS-1-1003",
  "paragraph_eid": "sec_1-1003__para_1",
  "paragraph_seq": 1,
  "enum_label": "1.",
  "indent_level": 1,
  "text": "1. Procedures, rules and regulations. The commission shall adopt such procedures, rules and regulations as may appear necessary for the orderly, prompt, fair and efficient carrying out of its duties, consistent with..."
}

// 3. edges.parquet (Sample Directed Citation Edge in Maine Revised Statutes)
{
  "jurisdiction": "US-ME",
  "source_doc_id": "MRS-1-10",
  "source_section": "1-10",
  "target_doc_id": "MRS-1-8",
  "target_section": "1-8",
  "target_title": 1,
  "citation_count": 1
}

Gold Parquet Schema Specification

Standardized cross-jurisdiction schema shared across all 57 Keystone Legal Data statutory repositories.

Table	Column Name	Parquet Type	Description
sections.parquet	jurisdiction / doc_id / universal_doc_id	VARCHAR	Jurisdiction code (`US-ME`), collection-scoped primary key (`MRS-1-1003`), and global key.
	container_type / container_id / container_name	VARCHAR	Top-level statutory container metadata (e.g., `title`, `1`, `Title 1 — General Provisions`).
	chapter_id / chapter_name	VARCHAR	Intermediate chapter/article identifier and official heading (100% populated across all 46,351 sections).
	section_number / heading	VARCHAR	Canonical section number (e.g., `1-1003`) and cleaned catchline heading.
	full_text	VARCHAR	Complete, newline-delimited statutory text of the section (strictly enacted text only).
	history_note	VARCHAR	Legislative session-law enactment and amendment history citations (46,351 / 46,351 sections populated).
	paragraph_count	INT64	Number of child subsection paragraphs shredded into `subsections.parquet`.
	source_html_sha256 / akn_sha256	VARCHAR	Cryptographic SHA-256 digests linking the Gold row to its exact Silver XML and Bronze raw payload.
subsections.parquet	paragraph_eid / paragraph_seq	VARCHAR / INT64	OASIS AKN 3.0 element ID (`sec_1-1003__para_1`) and deterministic 1-based sequence order within the section.
	enum_label / indent_level	VARCHAR / INT64	Extracted structural enumerator (e.g., `(a)`, `(1)`, `(A)`) and hierarchical indentation depth (`1`–`6`).
	text	VARCHAR	Cleaned text of the individual statutory subsection or paragraph.
edges.parquet	source_doc_id / target_doc_id	VARCHAR	Directed citation graph edge resolving in-text statutory references from citing section to cited target section.
edges.parquet	source_section / target_section / citation_count	VARCHAR / INT64	Canonical section numbers and frequency count of cross-references between the pair.

Complete 64-Title Inventory (Maine Revised Statutes)

Breakdown of distinct chapters and statutory sections across all 64 active titles in the October 2026 edition.

Title	Title Heading	Chapters	Sections
Title 1	Title 1 — General Provisions	23	292
Title 2	Title 2 — Executive	4	24
Title 3	Title 3 — Legislature	23	272
Title 4	Title 4 — Judiciary	29	439
Title 5	Title 5 — Administrative Procedures and Services	177	2,318
Title 6	Title 6 — Aeronautics	14	78
Title 7	Title 7 — Agriculture and Animals	113	1,148
Title 7-A	Title 7-A — Agriculture, Conservation and Forestry	1	9
Title 8	Title 8 — Amusements and Sports	34	441
Title 9	Title 9 — Banks and Financial Institutions	67	532
Title 9-A	Title 9-A — Maine Consumer Credit Code	17	373
Title 9-B	Title 9-B — Financial Institutions	66	444
Title 10	Title 10 — Commerce and Trade	142	1,412
Title 11	Title 11 — Uniform Commercial Code	20	913
Title 12	Title 12 — Conservation	142	2,686
Title 13	Title 13 — Corporations	28	611
Title 13-A	Title 13-A — Maine Business Corporation Act	14	195
Title 13-B	Title 13-B — Maine Nonprofit Corporation Act	13	139
Title 13-C	Title 13-C — Maine Business Corporation Act	19	263
Title 14	Title 14 — Court Procedure — Civil	85	1,225
Title 15	Title 15 — Court Procedure — Criminal	55	530
Title 16	Title 16 — Court Procedure — Evidence	6	132
Title 17	Title 17 — Crimes	85	655
Title 17-A	Title 17-A — Maine Criminal Code	52	556
Title 18	Title 18 — Decedents' Estates and Fiduciary Relations	43	440
Title 18-A	Title 18-A — Probate Code	10	626
Title 18-B	Title 18-B — Trusts	13	148
Title 18-C	Title 18-C — Probate Code	10	666
Title 19	Title 19 — Domestic Relations	27	452
Title 19-A	Title 19-A — Domestic Relations	25	505
Title 20	Title 20 — Education	90	748
Title 20-A	Title 20-A — Education	183	1,761
Title 21	Title 21 — Elections	29	318
Title 21-A	Title 21-A — Elections	15	472
Title 22	Title 22 — Health and Welfare	255	2,969
Title 22-A	Title 22-A — Health and Human Services	1	17
Title 23	Title 23 — Transportation	55	865
Title 24	Title 24 — Insurance	19	544
Title 24-A	Title 24-A — Maine Insurance Code	85	2,141
Title 25	Title 25 — Internal Security and Public Safety	72	642
Title 26	Title 26 — Labor and Industry	50	923
Title 27	Title 27 — Libraries, History, Culture and Art	16	178
Title 28	Title 28 — Liquors	19	190
Title 28-A	Title 28-A — Liquors	31	331
Title 28-B	Title 28-B — Cannabis	2	91
Title 29	Title 29 — Motor Vehicles	24	690
Title 29-A	Title 29-A — Motor Vehicles and Traffic	17	612
Title 30	Title 30 — Federally Recognized Indian Tribes	78	1,217
Title 30-A	Title 30-A — Municipalities and Counties	91	1,425
Title 31	Title 31 — Partnerships and Associations	11	688
Title 32	Title 32 — Professions and Occupations	136	3,335
Title 33	Title 33 — Property	40	658
Title 34	Title 34 — Public Institutions and Corrections	54	505
Title 34-A	Title 34-A — Corrections	14	423
Title 34-B	Title 34-B — Behavioral and Developmental Services	14	265
Title 35	Title 35 — Public Utilities and Carriers	52	648
Title 35-A	Title 35-A — Public Utilities	67	876
Title 36	Title 36 — Taxation	149	1,775
Title 37	Title 37 — Veterans' Services	6	54
Title 37-A	Title 37-A — Department of Defense and Veterans Services	19	278
Title 37-B	Title 37-B — Defense, Veterans and Emergency Management	20	435
Title 38	Title 38 — Waters and Navigation	71	1,458
Title 39	Title 39 — Workers' Compensation	3	165
Title 39-A	Title 39-A — Workers' Compensation	7	130
Total (64 Titles)	Complete Maine Revised Statutes Corpus	3,152	46,351