Federal Depository Library Program — Free Public Access to Government Documents

The Federal Depository Library Program (FDLP) — authorized by 44 U.S.C. §§ 1901–1916 and administered by the Government Publishing Office (GPO) — is the federal government's primary mechanism for ensuring that all Americans have free access to official government information, regardless of their location or ability to pay. For the GPO's role in publishing the Federal Register and the Code of Federal Regulations, see federal register and government publishing. For the right to obtain federal records held by agencies, see Freedom of Information Act. Established in its modern form by the Depository Library Act of 1962 (building on provisions going back to the 1813 resolution that authorized distribution of the House and Senate journals to libraries), the FDLP designates approximately 1,100 libraries across the country as official federal depositories, obligating those libraries to make government publications freely available to any member of the public and obligating GPO to distribute official documents to those libraries at no charge.

FDLP libraries include academic libraries, public libraries, law school libraries, and state libraries — at least one in virtually every congressional district. The FDLP is distinct from the Library of Congress (which collects comprehensively for congressional use) and from agency-specific libraries: FDLP libraries are access points for the entire range of federal publication output for local communities.

The digital revolution has fundamentally transformed the FDLP without eliminating it. Most government documents that were once distributed as physical publications (the Federal Register, CFR, the U.S. Code, GPO's publications catalog, congressional hearings, agency reports) are now available digitally through govinfo.gov — GPO's official authenticated digital repository. The FDLP has evolved from a physical distribution network into a system that curates, authenticates, and provides persistent access to the federal government's digital publishing output, with physical distribution continuing for documents that remain print-primary.

Current Law (2026)

Legal Authority

• 44 U.S.C. § 1901 — Definitions: "government publication" means informational matter which is published as an individual document at government expense, or as required by law; "depository library" means a library designated by the Superintendent of Documents under this chapter to receive government publications
• 44 U.S.C. § 1902 — Availability of Government publications through Superintendent of Documents; lists of publications: the Superintendent of Documents shall distribute to depository libraries copies of all government publications not requested to be kept confidential or restricted from distribution for national security reasons; the Superintendent maintains the Catalog of Government Publications
• 44 U.S.C. § 1903 — Distribution of publications to depositories: government publications shall be distributed by the Superintendent of Documents to depository libraries; the Superintendent shall provide at least one copy to each depository library that selects the publication; regional depositories shall receive comprehensive collections
• 44 U.S.C. § 1904 — Classified list of publications issued during previous month: the Superintendent of Documents shall prepare and publish monthly a classified list of government publications, with index annotations of the publications distributed during the prior month
• 44 U.S.C. § 1905 — Designation of depository libraries; limitation: not more than two depository libraries may be designated in any one congressional district; one may be the library of the accredited college or university in that district, and one may be a public library (preference given to state or publicly supported institutions)
• 44 U.S.C. § 1907 — Libraries of accredited law schools: the Superintendent of Documents shall designate as a depository library the library of each accredited law school — every ABA-accredited law school in the United States is automatically a depository library
• 44 U.S.C. § 1908 — State library agencies — regional libraries: the Superintendent of Documents shall designate the library of each state that makes request for regional library services; a regional depository library shall receive and maintain copies of all government publications distributed in either print or digital format
• 44 U.S.C. § 1909 — Conditions and regulations: depository libraries shall make government publications available for the free use of the general public; the Superintendent of Documents may prescribe regulations governing use, administration, and retention of government publications; the Superintendent may require depositories to maintain records and submit reports
• 44 U.S.C. § 1911 — Free use of government publications: depository libraries shall make government publications available for the free use of the general public; this is the core public access obligation
• 44 U.S.C. § 1912 — Regional and selective depositories; rules and regulations; termination of designation: the Superintendent shall prescribe regulations distinguishing between regional and selective depositories; selective depositories may choose which subject categories they receive; the Superintendent may terminate the designation of any library that fails to comply with regulations
• 44 U.S.C. § 1913 — Appropriations for supplying depository libraries; restriction: appropriations are provided annually for the distribution of government publications through the FDLP; the program is funded by congressional appropriation rather than library fees

What the FDLP Covers

The FDLP distributes the full range of government publications that are publicly available, including:

Legal and regulatory documents:

• The Federal Register (daily) and Code of Federal Regulations (CFR) — the entire regulatory state in text form
• The United States Code — official annotated compilations
• The Statutes at Large — chronological compilation of all enacted laws
• Congressional bills, resolutions, committee reports, and hearing transcripts — the full legislative record
• The Congressional Record — official daily record of House and Senate floor proceedings
• Supreme Court opinions and federal court decisions (in partnership with the court system)

Executive branch documents:

• Budget of the United States Government — the annual presidential budget submission
• Economic Report of the President and Annual Report of the Council of Economic Advisers
• Public Papers of the Presidents — official compilation of presidential speeches, proclamations, and executive orders
• Cabinet department and agency reports, strategic plans, performance reports, and publications

Statistical publications:

• Census Bureau publications — decennial census data, American Community Survey, statistical abstracts
• Bureau of Labor Statistics — CPI, employment statistics, Occupational Outlook Handbook
• Agency statistical reports and data compilations

Scientific and technical publications:

• NASA technical reports and space science data
• NIH and medical research publications
• Department of Energy research reports
• USGS maps, geological surveys, and resource assessments
• NOAA weather data and oceanographic publications

Historical and archival documents:

• Historical agency documents, early government publications
• Congressional documents dating to the founding era

Regional vs. Selective Depositories

The FDLP operates a two-tier system:

Regional Depositories (~50 libraries)

Regional depositories serve as comprehensive archives for their geographic area. They:

• Receive and must retain all government publications distributed by the FDLP (or digital access equivalents)
• Cannot discard or transfer publications without GPO approval
• Must provide interlibrary loan and reference services to other depository libraries in their region
• Serve as the "last copy" libraries for their states — when selective depositories want to dispose of FDLP materials, they must first offer them to the regional library

Each state must have at least one regional depository library, typically housed at a major state university (e.g., University of Michigan, University of Texas, Louisiana State University).

Selective Depositories (~1,050 libraries)

Selective depositories choose which subject categories or series of government publications they receive. A small law school depository might select only legal publications (CFR, USC, court opinions); a state agricultural extension library might select only USDA publications; a public library might select locally relevant publications (Census data for their region, state-specific programs).

Selective depositories:

• May choose their subject areas from GPO's Item Selection List
• May withdraw from categories they no longer need
• Must dispose of publications only according to GPO regulations (typically offering to other depositories before disposal)

Law School Depositories (§ 1907)

Every ABA-accredited law school receives automatic FDLP designation — Congress recognized that law schools are primary users of legal government documents. Law school libraries are typically selective depositories focused on legal materials: the Federal Register, CFR, USC, congressional materials, and court opinions.

The Digital Transformation

govinfo.gov

GPO's govinfo.gov platform is the central digital access point for FDLP materials. It provides:

• Authenticated PDF documents with GPO digital signatures — establishing that the document is the official, unaltered government version
• Full-text search across thousands of government document series
• Persistent URLs for citation purposes (government URLs are notoriously unstable; GPO maintains persistent identifiers)
• Historical archives dating back to the early Federal Register (1936)
• Machine-readable formats (XML, metadata) for programmatic access

The authentication function is critical: anyone can post a PDF of a regulation or statute on the internet, but only GPO-authenticated documents carry the legal certification that they are genuine official versions. For legal research, litigation, rulemaking comment submissions, and archival purposes, authenticated government documents are the authoritative source.

Physical vs. Digital Collections

The transition to digital has reduced physical FDLP distribution substantially. Documents that were once sent as paper to 1,000+ libraries are now available digitally through govinfo.gov. Physical distribution continues for:

• Some maps and geospatial products
• Documents without adequate digital versions
• Historical backfiles being digitized incrementally

Many physical FDLP collections in libraries are legacy holdings that are not being actively supplemented. Depository librarians increasingly serve as navigators helping the public access digital government information rather than curators of physical stacks.

Permanent Public Access Challenge

One of the FDLP's critical functions in the digital era is ensuring permanent public access — that government documents remain accessible even as agencies redesign websites, change URL structures, or discontinue digital products. Government websites routinely remove or relocate documents; GPO's role in harvesting, authenticating, and preserving the official digital record becomes more important as physical distribution declines.

How It Affects You

If you are a researcher, journalist, or member of the public needing government documents: Your nearest FDLP depository library — likely a university library, public library, or law school library near you — must provide free access to government publications to any member of the public. You do not need to be affiliated with the institution. To find your nearest depository, use the depository locator at fdlp.gov. For digital access without visiting a library: govinfo.gov provides free authenticated access to the Federal Register (including archives back to 1936), the CFR, U.S. Code, congressional bills and reports, Supreme Court opinions, GAO reports, budget documents, and thousands of other official publications. GPO-authenticated PDFs are the legally authoritative versions for citation and legal purposes.

If you are a legal professional or law student: Every ABA-accredited law school is an FDLP depository. Your law school library's FDLP designation means it is required to maintain access to legal government publications and make them available to the public. For research: govinfo.gov's CFR and Federal Register are the authoritative sources — not Westlaw or LexisNexis reproductions, which are accurate but not officially authenticated. When citing regulations in litigation, briefs, or rulemaking comments, GPO-authenticated versions from govinfo.gov are the appropriate source. The eCFR (ecfr.gov) provides a continuously updated version of the CFR that reflects amendments as they are published in the Federal Register — more current than the annual CFR but not itself the official codification.

If you are a librarian or library administrator: FDLP membership requires compliance with GPO's regulations on access, retention, and disposal. Selective depositories must maintain their Item Selection List — consider whether you are receiving the categories your community actually needs versus legacy selections from a different era. Regional depositories have more stringent retention obligations but also receive interlibrary loan requests from across the state; budget for the staff time required to fulfill those obligations. The shift from physical to digital has created ambiguity about whether libraries need physical spaces for government documents or whether a strong digital access infrastructure is sufficient — GPO continues to develop guidance on "all-digital" depository designation for libraries that can demonstrate equivalent digital access.

If you are a federal agency communications or publications staff: Documents published by your agency may qualify as "government publications" subject to FDLP distribution. Coordinate with your agency's depository/publishing coordinator and with GPO to ensure significant agency publications are cataloged and made available through the FDLP. Agencies that publish primarily on their own websites without coordinating with GPO create access and preservation gaps — documents that are not authenticated by GPO or preserved in govinfo.gov are more vulnerable to link rot and loss.

State Variations

The FDLP is a federal program, but many states have parallel state document depository programs:

• State depository programs: Most states designate certain libraries to receive state government publications — state legislative reports, agency publications, state budget documents. These state programs are separate from and parallel to the federal FDLP.
• State law libraries: State law libraries typically collect both federal FDLP materials (as designated depositories) and comprehensive state legal documents.
• Reciprocal access: FDLP regulations require depositories to provide access to all members of the public regardless of residency. A resident of rural Wyoming can visit the nearest FDLP depository and use federal government documents regardless of which state they are in.

Recent Developments

• 2019 — FDLP Modernization Act (proposed, not enacted): Legislative proposals to explicitly update the FDLP statute to reflect the digital environment — establishing digital distribution as the primary mode and clarifying GPO's preservation obligations — have been introduced but not enacted. The existing statute, enacted when physical distribution was the default, requires interpretation to apply to digital-first publishing.
• 2020-2023 — govinfo.gov expansion: GPO substantially expanded the historical coverage and document types available through govinfo.gov, including new digitization of historical congressional documents, federal court records, and agency publications. The platform added machine-readable metadata and bulk download capabilities for researchers.
• 2023 — Depository library count decline: The number of FDLP designees has declined from approximately 1,200 in the 1990s to around 1,100 as some libraries have withdrawn from the program, citing reduced physical use of government documents and the availability of free digital access through govinfo.gov.
• 2024 — Artificial intelligence and government documents: GPO began exploring AI-assisted tools for document search and summarization within govinfo.gov. Questions about authentication — whether AI summaries of official documents maintain the legal authority of the underlying text — are unresolved.
• 2025 — Federal records preservation concerns: As the Trump administration removed documents from federal websites and reorganized agency web presences, GPO's role in preserving and authenticating official versions of government documents before they were removed became more prominent. Depository librarians and archivists raised concerns about documents being removed from .gov websites without GPO preservation.