District of Columbia — Code of the District of Columbia

Complete, unannotated statutory corpus and directed cross-reference citation graph for the District of Columbia across all 52 active titles and 1,257 distinct chapters, cryptographically sealed from official Council of the District of Columbia Office of the General Counsel (Law XML Codified) sources.

52 Active Titles

1,257 Distinct Chapters

23,395 Statutory Sections

153,113 Subsections

20,587 Citation Edges

100% AKN 3.0 XSD Valid

Single-Snapshot Dataset Acquisition • 10/2026 Edition

Code of the District of Columbia — Complete Medallion Snapshot

One-time purchase for the complete October 2026 (10/2026) edition single-snapshot dataset of the Code of the District of Columbia. 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 Code of the District of Columbia (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 District of Columbia 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 Council of the District of Columbia Office of the General Counsel (Law XML Codified) with wire-level SHA-256 hashes and structural hierarchy metadata.

Source Authority D.C. Council Office of the General Counsel
Sealed Payloads 23,395 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 23,395 / 23,395 (100%)
History Coverage 23,320 / 23,395 (99.7%)
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 23,395 Rows (17.20 MB)
Subsection Table 153,113 Rows (15.59 MB)
Citation Graph 20,587 Directed Edges
DuckDB Catalog keystone_dccode.duckdb

Artifact / Archive	Layer / Format	Records	Size	SHA-256 Cryptographic Seal
sections.parquet	Gold Columnar Table (Snappy Parquet)	23,395	17.20 MB	1f05bcf306f39a9ae4ac9359bd2969d7ced4849e5e4a6d6ffc976ddb56dd10da
subsections.parquet	Gold Hierarchical Paragraphs (Snappy Parquet)	153,113	15.59 MB	b4cecd804de5cd4a3f87ae4fa984d1ddf1b869d8f54ac656d7164f7d148344cc
edges.parquet	Gold Directed Citation Graph (Snappy Parquet)	20,587	330.90 KB	f02e4aefe4bce98c3465fe26d44fc58ac4280692042e24de9a214caa213bf1b3
keystone_dccode_bronze_2026-10.tar.gz	Complete Bronze Source Archive (Raw Payloads + Manifests)	23,395 files	20.96 MB	cfadf3aecf3eda9b2c2083f519abfd11500a99f7f687a8e1e593e377471d457e
keystone_dccode_silver_2026-10.tar.gz	Complete Silver OASIS AKN 3.0 XML Archive (XML + XSD + Manifests)	23,395 docs	20.10 MB	85468bcac269d0ba6ae6e4079ce2721ff4895cfe8e118df6cf80edaafa0c38b4
keystone_dccode_gold_2026-10.tar.gz	Complete Gold Release Archive (Parquet + Manifests)	197,095	28.10 MB	b37ab6b9deddc7e6076d67758e93a616aca243c38a50d7580a0574da32599c8f
keystone_dccode_title1_sample.tar.gz	Title 1 Sample Showcase Slice (Title 1 — Government Organization)	1,552 secs	2.30 MB	cd3b1a9412deb7ed20a48c14f3adb0cecf2e2822fed0a749200ef35ed3ffd23a

Canonical Record Specimen: D.C. Code § 1-1001.01

Side-by-side view of Section 1-1001.01 (Election of electors) in Silver OASIS Akoma Ntoso 3.0 XML and Gold Parquet JSON representation.

            data/silver/dccode/akn_xml/title_01/title_01_sec_1-1001.01.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-dc/act/dccode/title-01/section-1-1001.01"/>
          <FRBRdate date="2026-10-16" name="snapshot"/>
          <FRBRcountry value="US-DC"/>
        </FRBRWork>
      </identification>
      <proprietary source="#pipeline">
        <meta:source_html_sha256>44bb7b225d2d2339...9fe5a</meta:source_html_sha256>
        <meta:doc_id>title_01_sec_1-1001.01</meta:doc_id>
        <meta:jurisdiction>US-DC</meta:jurisdiction>
        <meta:container_id>01</meta:container_id>
        <meta:chapter_id>10</meta:chapter_id>
        <meta:chapter_name>Chapter 10 — Elections</meta:chapter_name>
        <meta:history_note>Aug. 12, 1955, 69 Stat. 699, ch. 862, § 1; Oct. 4, 1961, 75 Stat. 817, Pub. L. 87-389, § 1(1); Apr. 22, 1...</meta:history_note>
      </proprietary>
    </meta>
    <body>
      <section eId="sec_1-1001.01">
        <num>1-1001.01</num>
        <heading>Election of electors</heading>
        <paragraph eId="sec_1-1001.01__para_1" class="indent-1">
          <content>
            <p>In the District of Columbia electors of President and Vice
            President of the United States, the Delegate to the House of
            Representatives, the members of the State Board of Education,
            the members of the Council of the...</p>
          </content>
        </paragraph>
        <paragraph eId="sec_1-1001.01__para_2" class="indent-2">
          <num>(1)</num>
          <content>
            <p>National committeemen and national committeewomen;</p>
          </content>
        </paragraph>
        <!-- 3 additional paragraph(s) omitted for brevity -->
      </section>
    </body>
  </act>
</akomaNtoso>

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

// 1. sections.parquet (Primary Key: doc_id = "title_01_sec_1-1001.01")
{
  "jurisdiction": "US-DC",
  "doc_id": "title_01_sec_1-1001.01",
  "universal_doc_id": "US-DC-title_01_sec_1-1001.01",
  "container_type": "title",
  "container_id": "01",
  "container_name": "Title 1 — Government Organization",
  "title": 1,
  "chapter_id": "10",
  "chapter_name": "Chapter 10 — Elections",
  "subchapter_id": "I",
  "subchapter_name": "Subchapter I — Regulation of Elections",
  "section_number": "1-1001.01",
  "heading": "Election of electors",
  "paragraph_count": 5,
  "history_note": "Aug. 12, 1955, 69 Stat. 699, ch. 862, § 1; Oct. 4, 1961, 75 Stat. 817, Pub. L. 87-389, § 1(1); Apr. 22, 1968, 82 St...",
  "source_html_sha256": "44bb7b225d2d2339a8490f925d245fe38b79fb5d47c0d806c2267fe0c739fe5a",
  "akn_sha256": "125cbef632814bed45f5c9c59f9ded45868d8ccd83dee1a6aca7979fb93d32c1"
}

// 2. subsections.parquet (5 rows for title_01_sec_1-1001.01)
{
  "doc_id": "title_01_sec_1-1001.01",
  "paragraph_eid": "sec_1-1001.01__para_2",
  "paragraph_seq": 2,
  "enum_label": "(1)",
  "indent_level": 2,
  "text": "National committeemen and national committeewomen;"
}

// 3. edges.parquet (Sample Directed Citation Edge in Code of the District of Columbia)
{
  "jurisdiction": "US-DC",
  "source_doc_id": "title_01_sec_1-1001.02",
  "source_section": "1-1001.02",
  "target_doc_id": "title_01_sec_1-1001.03",
  "target_section": "1-1001.03",
  "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-DC`), collection-scoped primary key (`title_01_sec_1-1001.01`), and global key.
	container_type / container_id / container_name	VARCHAR	Top-level statutory container metadata (e.g., `title`, `01`, `Title 1 — Government Organization`).
	chapter_id / chapter_name	VARCHAR	Intermediate chapter/article identifier and official heading (100% populated across all 23,395 sections).
	section_number / heading	VARCHAR	Canonical section number (e.g., `1-1001.01`) 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 (23,320 / 23,395 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_1-1001.01__para_2`) 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 52-Title Inventory (Code of the District of Columbia)

Breakdown of distinct chapters and statutory sections across all 52 active titles in the October 2026 edition.

Title	Title Heading	Chapters	Sections
Title 1	Title 1 — Government Organization	18	1,552
Title 2	Title 2 — Government Administration	34	1,376
Title 3	Title 3 — District of Columbia Boards and Commissions	51	996
Title 4	Title 4 — Public Care Systems	35	760
Title 5	Title 5 — Police, Firefighters, Medical Examiner, and Forensic Sciences	25	435
Title 6	Title 6 — Housing and Building Restrictions and Regulations	19	388
Title 7	Title 7 — Human Health Care and Safety	89	1,184
Title 8	Title 8 — Environmental and Animal Control and Protection	60	839
Title 9	Title 9 — Transportation Systems	15	460
Title 10	Title 10 — Parks, Public Buildings, Grounds, and Space	30	528
Title 11	Title 11 — Organization and Jurisdiction of the Courts. [Enacted title]	15	169
Title 12	Title 12 — Right to Remedy. [Enacted title]	2	15
Title 13	Title 13 — Procedure Generally. [Enacted title]	6	43
Title 14	Title 14 — Proof. [Enacted title]	4	28
Title 15	Title 15 — Judgments and Executions; Fees and Costs. [Enacted title]	5	103
Title 16	Title 16 — Particular Actions, Proceedings and Matters. [Enacted title]	43	772
Title 17	Title 17 — Review. [Enacted title]	2	11
Title 18	Title 18 — Wills. [Enacted title]	6	58
Title 19	Title 19 — Descent, Distribution, and Trusts. [Enacted title]	13	344
Title 20	Title 20 — Probate and Administration of Decedents’ Estates. [Enacted title]	8	120
Title 21	Title 21 — Fiduciary Relations and Persons with Mental Illness. [Enacted title]	19	401
Title 22	Title 22 — Criminal Offenses and Penalties	77	617
Title 23	Title 23 — Criminal Procedure. [Enacted title]	10	132
Title 24	Title 24 — Prisoners and Their Treatment	17	307
Title 25	Title 25 — Alcoholic Beverages. [Enacted title]	10	221
Title 26	Title 26 — Banks and Other Financial Institutions	22	445
Title 27	Title 27 — Merchant’s Civil Recovery for Criminal Conduct	1	6
Title 27A	Title 27A — Private Contractors and Subcontractors	2	8
Title 28	Title 28 — Commercial Instruments and Transactions. [Enacted title]	45	947
Title 28A	Title 28A — Other Consumer Protections	2	13
Title 29	Title 29 — Business Organizations. [Enacted title]	13	915
Title 30	Title 30 — Hotels, Lodging Houses, and Short-term Rentals	3	16
Title 31	Title 31 — Insurance and Securities	101	1,336
Title 32	Title 32 — Labor	40	533
Title 34	Title 34 — Public Utilities	38	595
Title 35	Title 35 — Railroads and Other Carriers	5	58
Title 36	Title 36 — Trade Practices	6	140
Title 37	Title 37 — Weights, Measures, Markets, and Vending	3	70
Title 38	Title 38 — Educational Institutions	83	998
Title 39	Title 39 — Libraries and Cultural Institutions	5	50
Title 40	Title 40 — Liens	4	44
Title 41	Title 41 — Personal Property	4	157
Title 42	Title 42 — Real Property	71	1,158
Title 43	Title 43 — Cemeteries and Crematories	1	31
Title 44	Title 44 — Charitable and Curative Institutions	30	587
Title 45	Title 45 — Compilation and Construction of Code	6	20
Title 46	Title 46 — Domestic Relations	8	260
Title 47	Title 47 — Taxation, Licensing, Permits, Assessments, and Fees. [Enacted title]	63	1,987
Title 48	Title 48 — Foods and Drugs	25	246
Title 49	Title 49 — Military	11	101
Title 50	Title 50 — Motor and Non-Motor Vehicles and Traffic	51	768
Title 51	Title 51 — Social Security	1	47
Total (52 Titles)	Complete Code of the District of Columbia Corpus	1,257	23,395