Congressional Research Service

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Congressional Research Service
Congressional Research Service.svg
Agency overview
FormedJuly 16, 1914;105 years ago (1914-07-16)
Headquarters Washington, D.C., U.S.
Annual budget$106.8 million (2012) [1]
Agency executives
  • Mary B. Mazanec [2] , Director
  • T.J. Halstead [2] , Deputy Director

The Congressional Research Service (CRS), known as Congress's think tank, [3] is a public policy research institute of the United States Congress. As a legislative branch agency within the Library of Congress, CRS works primarily and directly for Members of Congress, their Committees and staff on a confidential, nonpartisan basis.


Its staff of approximately 600 employees includes lawyers, economists, reference librarians, and social, natural, and physical scientists. [4] In fiscal year 2016, CRS was appropriated a budget of roughly $106.9 million by Congress. [1]

Despite numerous attempts to override a policy of "[limiting] dissemination to Members of Congress" from 1952 until 2018, "publication" was restricted; now "CRS makes non-confidential reports available on its website." [5]

CRS is joined by two major congressional support agencies. The Congressional Budget Office provides Congress with budget-related information, reports on fiscal, budgetary, and programmatic issues, and analyses of budget policy options, costs, and effects. The Government Accountability Office assists Congress in reviewing and monitoring the activities of government by conducting independent audits, investigations, and evaluations of federal programs. Collectively, the three agencies employ more than 4,000 people. [4]

As of mid-March 2019, CRS announced that it was adding "the back catalog of older CRS reports" and also introducing new publicly available reports, such as its "two-page executive level briefing documents." [6]


In 1914, Senator Robert La Follette Sr. and Representative John M. Nelson, both of Wisconsin, promoted the inclusion in the legislative, executive, and judicial appropriations act of a provision directing the establishment of a special reference unit within the Library of Congress. [7] Building upon a concept developed by the New York State Library in 1890, and the Wisconsin Legislative Reference Library in 1901, they were motivated by Progressive era ideas about the importance of the acquisition of knowledge for an informed and independent legislature. [4] The move also reflected the expanding role of the librarian and the professionalization of the profession. [4] The new department was charged with responding to congressional requests for information. [4] The legislation authorized the Librarian of Congress, Herbert Putnam, to “employ competent persons to prepare such indexes, digests, and compilations of laws as may be required for Congress and other official use...” (The intent behind the creation of the agency can be derived from U.S. Senate, Committee on the Library, Legislative Drafting Bureau and Reference Division, 62d Cong., 3d sess., 1913, S. Rept.1271.)

Renamed the Legislative Reference Service and given a permanent authorization with the Legislative Reorganization Act of 1946, [8] it assisted Congress primarily by providing facts and publications and by transmitting research and analysis done largely by other government agencies, private organizations, and individual scholars. [4]

The Library of Congress, the home of CRS, had experimented during the 1940s with unrestricted publication Public Affairs Bulletins, which were produced by staff of the Legislative Reference Service, and devoted to various public policy issues. They were promoted by Archibald MacLeish, the Librarian of Congress, and, among other topics, addressed timely policy issues, such as American national defense. About 100 Public Affairs Bulletins were generated [9] before congressional appropriators ended their production in 1951. [10]

The renaming under the Legislative Reorganization Act of 1970 reflected the service's changing mission: [4] This legislation directed CRS to devote more of its efforts and increased resources to doing research and analysis that assists Congress in direct support of the legislative process. [11]

When the Congressional Research Service Review was launched in 1980, it continued for a little more than a decade before congressional appropriators, once again, invoked fiscal closure. The Review, which was published ten times a year and available to the public by subscription, offered original analytical articles, summaries highlighting CRS research products, and other kinds of assistance to the congressional community. [9]

As inquiries increased from 400,000 questions per year in 1980 to 598,000 in 2000, CRS sought to prepare itself for future challenges, initiating an organizational realignment in 1999. The realignment, which has required extensive relocation of staff and the design of more efficient workstations, was intended to promote improved communication within CRS and increase the service's ability to focus on legislative deliberations of Congress by applying its multidisciplinary expertise to public policy issues in user-friendly, accessible formats when Congress needs assistance. [12]


CRS offers Congress research and analysis on all current and emerging issues of national policy. [4] CRS offers timely and confidential assistance to all Members and committees that request it, limited only by CRS's resources and the requirements for balance, nonpartisanship and accuracy. [4]

CRS makes no legislative or other policy recommendations to Congress; its responsibility is to ensure that Members of the House and Senate have available the best possible information and analysis on which to base the policy decisions the American people have elected them to make. [4] In all its work, CRS analysts are governed by requirements for confidentiality, timeliness, accuracy, objectivity, balance, and nonpartisanship.

CRS services are not limited to those that relate directly to enacting new laws. For example, CRS attempts to assess emerging issues and developing problems so that it will be prepared to assist the Congress if and when it becomes necessary. Although it rarely conducts field research, CRS assists committees in other aspects of their study and oversight responsibilities. In addition, it offers numerous courses, including legal research seminars and institutes on the legislative process, the budget processes, and the work of district and state staff. At the beginning of each Congress, CRS also provides an orientation seminar for new Members. [4]

CRS does not conduct research on sitting Members or living former Members of Congress, unless granted specific permission by that Member or if that Member is nominated by the President for another office. [4]


CRS is now divided into six interdisciplinary research divisions, each of which is further divided into subject specialist sections. The six divisions are: American Law; Domestic Social Policy; Foreign Affairs, Defense and Trade; Government and Finance; Knowledge Services; and Resources, Science and Industry. [13]

The six research divisions are supported in their work by five “infrastructure” offices: Finance and Administration, Information Management and Technology, Counselor to the Director, Congressional Information and Publishing, and Workforce Management and Development. [14]

Overview of services

Responses to Congressional requests take the form of reports, memoranda, customized briefings, seminars, videotaped presentations, information obtained from automated databases, and consultations in person and by telephone. [4]

CRS "supports the Members, committees, and leaders of the House and Senate at all stages of the legislative process": [4]

At the preliminary stage, members may ask CRS to provide background information and analysis on issues and events so they can better understand the existing situation and then assess whether there is a problem requiring a legislative remedy. This assistance may be a summary and explanation of the scientific evidence on a technically complex matter, for example, or it may be a collection of newspaper and journal articles discussing an issue from different perspectives, or a comparative analysis of several explanations that have been offered to account for a generally recognized problem. CRS also identifies national and international experts with whom Members and staff may consult about whatever issues concern them and sponsors programs at which Members meet with experts to discuss issues of broad interest to Congress. [4]

If a Member decides to introduce a bill, CRS analysts can assist the legislator in clarifying the purposes of the bill, identifying issues it may address, defining alternative ways for dealing with them, evaluating the possible advantages and disadvantages of each alternative, developing information and arguments to support the bill, and anticipating possible criticisms of the bill and responses to them. Although CRS does not draft bills, resolutions, and amendments, its analysts may join staff consulting with the professional draftsman within each chamber’s Office of the Legislative Counsel as they translate the Member’s policy decisions into formal legislative language. Members and committees also can request CRS to help them assess and compare legislative proposals, including competing bills introduced by Members and proposals presented by executive branch officials, private citizens and organizations. CRS can assess the intent, scope, and limits, of the various proposals. [4]

The report goes on:

During committee and floor consideration, CRS can assist Representatives and Senators in several different ways, in addition to providing background information to assist Members in understanding the issues a bill addresses. CRS attorneys can help clarify legal effects the bill may have. CRS policy analysts can work with Members in deciding whether to propose amendments and then in making certain that their amendments are designed and phrased to achieve the desired results. CRS also can help Members prepare for the debate by providing data and other information that they can use to support the positions they have decided to take. [4]

CRS also performs several functions that support Congressional and public understanding of the legislative process and other issues.

Congressional Research Service reports

Reports by the Congressional Research Service, usually referred to as CRS Reports, are the encyclopedic research reports written to clearly define issues in a legislative context. [17]

Over 700 new CRS reports are produced each year; [17] 566 new products were prepared in Fiscal Year 2011. [18] Nearly 7,800 were in existence as of the end of 2011. [18]

The types of CRS reports include Issue Briefs (IB), Research Memos (RM), and Reports, which appear in both Short (RS) and Long (RL) formats. [19]

How to access CRS Reports

As of September 18, 2018, most CRS reports are available to the public through the official US Congress website Older CRS reports versions may be accessed from community supported sources.

Previously they were confidential. While not classified, they were exempt from FOIA due to Congressional privilege and therefore not readily accessible nor was their authenticity easily verifiable. [20]


Other than a passing generic reference to “reports” in its statutory charter, CRS has no mandate for these products. [21] They are created in the context of the overall mission of CRS to provide research support to Congress. [22]

The Library of Congress, the home of CRS, had experimented during the 1940s with unrestricted publication Public Affairs Bulletins, which were produced by staff of the Legislative Reference Service, and devoted to various public policy issues. They were promoted by Archibald MacLeish, the Librarian of Congress, and, among other topics, addressed timely policy issues, such as American national defense. About 100 Public Affairs Bulletins were generated [22] before congressional appropriators ended their production in 1951. [10]

When the Congressional Research Service Review was launched in 1980, it continued for a little more than a decade before congressional appropriators, once again, invoked fiscal closure with the last issue published v. 13 #9 (Sept. 1992). The Review, which was published ten times a year and available to the public by subscription, offered original analytical articles, summaries highlighting CRS research products, and other kinds of assistance to the congressional community. [22]

The New York Times has written that the reports contain

However, in a passage analyzing its own liability under United States copyright law, the CRS has written:

"CRS may incorporate preexisting material in its written responses to congressional requests. Although such material is often from public domain sources, in certain instances the material, appropriately credited, may be from copyrighted sources. To the extent that the material is copyrighted, CRS either:
  • obtains permission for the use;
  • considers its information-gathering function protected by the speech or debate clause;
  • or believes that the use falls under the "fair use" doctrine of the Copyright Act as applied in the context of the legislative process." [24]
and added
"Although CRS obtains permission to reproduce certain copyrighted works, the permissions are generally based on legislative use and the expectation that dissemination is limited to Members of Congress." [24]

Thus, persons seeking public domain content in CRS reports can avoid infringing copyright by paying attention to the internal citations.[ citation needed ]


CRS written work products fall into three major categories:(1) Congressionally Distributed Products Providing Research and Analysis on Legislative Issues, (2) Responses to Individual Members and Committees, and (3) Legislative Summaries, Digests, and Compilations. [25]

Congressionally Distributed Products Providing Research and Analysis on Legislative Issues itself is broken into two subcategories: Reports for Congress and Congressional Distribution Memoranda.

Reports for Congress: CRS often prepares reports for Congress, analyses, or studies on specific policy issues of legislative interest. These reports clearly define issues in legislative contexts. Analysts define and explain technical terms and concepts, frame the issues in understandable and timely contexts, and provide appropriate, accurate, and valid quantitative data. The content of the report is summarized on its first page. These reports may be updated as events occur, or archived when they no longer reflect the current legislative agenda but can provide background and historical context.

Congressional Distribution Memoranda: Similar to the reports, memoranda are prepared when the interest of a relatively small number of congressional readers is anticipated or when an issue is sufficiently transient that CRS deems it inappropriate to include it in its list of products. Memoranda can be recast as a report if it becomes important to a larger congressional audience.

Responses to Individual Members and Committees: CRS staff provide custom services for Members and committees and their staff, tailored to address specific questions, and usually in a memorandum format. Written documents include Confidential Memoranda, Email Responses, and Briefing Books.

Confidential Memoranda: Confidential memoranda are prepared to meet a specific congressional request and are often designed for a congressional reader with a high level of expertise in a given topic. These memoranda are prepared for the use of the requester and are not distributed by CRS to a larger audience unless the requester gives permission.

Email Responses: Email responses to request for information can range from providing a statistic or a name to a short briefing to an interactive discussion on a variety of issues.

Briefing Books: Prepared for use by congressional delegations traveling abroad, these books are collections of material that support the specific purposes of a congressional trip. Briefing books can include a variety of materials, such as maps, selected products, and brief tailored written work, all of which contain background and current issues regarding U.S. relations with specific countries on the trip as well as questions Members may ask when meeting with government or other officials.

Legislative Summaries, Digests, and Compilations: Since 1935, the Legislative Analysis and Information Section (formerly the "Bill Digest" section) of CRS has had the statutory responsibility for preparation of authoritative, objective, nonpartisan summaries of introduced public bills and resolutions and the maintenance of historical legislative information. Detailed revised summaries are written to reflect changes made in the course of the legislative process. This CRS office also prepares titles, bill relationships, subject terms, and Congressional Record citations for debates, full text of measures, and Member introductory remarks.

Confidentiality of CRS Reports

The confidentiality status of Congressional Research Service reports, until September 18, 2018, was a matter of contention due to the lack of public access to research that was paid for by taxpayer money.

Congress had historically reserved to itself control over the dissemination of CRS products to the public on the principle that CRS, as an extension of congressional staff, works exclusively for the Congress: "dissemination is limited to Members of Congress." [24] From 1952 until 2018 a provision was included in CRS annual appropriations acts requiring approval by one of its two congressional oversight committees for acts of "publication" by the CRS. [26]

The limitation began in the House as a flat prohibition on publications by the Library of Congress using funds appropriated to the Legislative Reference Service (now CRS). In 1954 a provision was added providing for exception only with the approval of our oversight committees.

Unlocking CRS report access

by noting "A committee or Member of the Senate, of course, may determine to make available to the public a report or memorandum which the Congressional Research Service has provided to the committee or Senator... Nevertheless, ... it is important to protect the confidentiality of CRS's preparatory work in order to encourage the freest possible exploration by CRS..."

Some members of congress used committee websites to disseminate individual reports, beginning in 1998. [28] Senator Tom Daschle (D-SD) was the first to act, putting almost 300 CRS products on his website. They were subsequently removed.

Representatives Shays and Mark Green (R-WI)—have placed many CRS products on their own websites in an attempt to make some CRS products available to the public. [29]

"Reports are produced by the Congressional Research Service staff for the education of members of Congress," Kyle Anderson, a spokesman for the House Administration Committee, which has jurisdiction over the issue in the House, wrote in an e-mail message to The New York Times. "Just as other memos produced by staffers for members of Congress aren't made public, these are not." [23]

This was countered by a clarification saying that the goal was the public release of only reports the research service produces, not the memorandums it also writes for members of Congress. [23] (Former) Senator Joseph I. Lieberman said in an e-mail message to The New York Times. "These reports inform members of Congress and their staffs on a wide range of issues. The American people, who pay for these reports, should be able to learn from this same expert analysis." [23]

Considerations debated

1997 CRS memorandum

In a December 1997 memorandum, the CRS summarized the "Legal Issues Presented by Proposals for the General Release of CRS Products to the Public": [30]

Responses to the 1997 CRS memorandum

Memorandum of Gary Ruskin

On January 5, 1998, Gary Ruskin, Director of the Congressional Accountability Project, wrote a memorandum which disputed each of the arguments in the 1997 CRS memorandum [32] }}

Letter of Stanley M. Brand

On January 27, 1998, Stanley M. Brand, the former General Counsel to the House of Representatives, wrote a letter to Senator John McCain:

Concerning applicability of the Speech or Debate Clause, U.S. Const. art. I, 6, cl. 1, to certain CRS products which your bill would, if enacted, make available on the Internet, I believe that the concerns expressed in the CRS memorandum are either overstated, or the extent they are not, provide no basis for arguing that protection of CRS works will be weakened by your bill. [33]

(See also his letter addressing a 2001 reintroduction of the same legislation. [33] )

John McCain cited this letter on the Senate floor when he was proposing an amendment [34] to the Legislative Branch Appropriations Act 1999 that would direct the Director of the Congressional Research Service to post `CRS Reports to Congress' and `CRS Issue Briefs' on the Internet. [35] In this speech, he also noted:

I would like to point out that the Rules Committee has approved a decentralized system, where Senators can release CRS products on their private web pages. I see no difference between the release of CRS material on one hundred independent web pages and THOMAS, a Congressionally mandated web page. Both approaches should protect CRS equally. I also urge my colleagues not to believe other arguments that CRS will suffer from a huge rise in workload from this amendment. It will require only two computer technicians to set up this web site, and keep it updated. CRS already has a process for deciding which information goes up on their web site for Members of Congress. This bill only asks that they duplicate this process for a public version of that web page. Also, we release paper copies of these products to our constituents every day without causing a great strain to CRS staff. Finally, I have the results of an analysis of state legislative research organizations that do work similar to CRS and post these products on the Internet. None of these organizations have complained of a huge increased workload from releasing their products to the Internet.

2003 - 2006

Internal CRS 2007 memos

A pair of internal CRS memos were distributed, restricting report distribution.

CRS websites

Current Members of Congress and their offices may access the CRS website ( and CRS's Legislative Information Service (LIS) website ( The two sites are the most comprehensive and integrated sources of information regarding workings of the federal government, and are arguably the best sources of information regarding the legislative process of the United States. [29]

These sites provide all information necessary to become informed about any aspect of government. They also have the information needed to keep up-to-the-minute on most legislation including information from past bills similar to the current legislation; historical information about the legislation; biographical data about the Members who introduced it; the ability to track the legislation as it moves through committee hearings to the Floor; and links to information about the legislation in the Congressional Record, Floor and committee schedule information, and the Federal Register. [36]

Neither of these websites is available to the public. In order to prevent public access to the websites, CRS has erected an elaborate firewall to keep the public out. Taxpayers are only allowed access to THOMAS ( In fact, when the public tries to access the LIS, they are automatically forwarded to THOMAS without warning. [29] The CRS website provides CRS publications on current legislative issues, electronic briefing books, information on the legislative and budget processes, a searchable database of all CRS products, and other information about Congressional procedures and activities. The LIS website is specifically designed to track legislation and legislative activity. According to the CRS, "The LIS ... provides bill summary and status, full text of legislation and public laws, full text of committee reports, hearings, and other documents, and the Congressional Record for the current and earlier Congresses. The system also gives (and is searchable by) committee, sponsorship, and cosponsorship; identification of identical bills; and other information." [37] The LIS varies substantially from the system which is available to the public at the Library of Congress' THOMAS website ( In fact, CRS has a special page detailing the enhanced capabilities of the restricted LIS website over the public THOMAS website.

The following is CRS's comparison of the LIS ( with THOMAS ( [38]

ServiceLegislative Information SystemThomas
Who Can Use ItAvailable to the public. (Previously only available to Congress, including state and district offices, and legislative support agencies. Some features listed below may no longer be available.)Available to the public.
Best Used ForFinding the most complete legislative information for congressional staff or for a Member; obtaining information, using databases, and linking to pages that are not available to the public on THOMAS. Should not be used for making links from Member or committee home page (since the public cannot access LIS).Working with constituents; making links from Member or committee home pages; making printouts that are to be sent to constituents.
Commercial DatabasesLinks to databases that have been licensed for use by House and Senate staff, such as National Journal and the AP Newswire. Links from the status of a bill to National Journal markups.No links to commercial databases.
CRS ReportsLinks from Bill Summary & Status display to CRS reports related to a bill. Ability to search all CRS reports via the CRS Home Page; these products can be searched, displayed, and printed.No CRS reports are available to the public.
Restricted linksLinks to restricted Capitol Hill Web sites such as the House Intranet, Senate Webster, and Senate amendment tracking system.No links to restricted Capitol Hill Web sites.
Floor & Committee Schedule InformationLinks to Capitol Hill and outside sources of floor and committee schedule information, selected to be of most use to congressional staff.Minimal links to floor and committee schedule information.
Advanced search capabilitiesSpecial advanced search capabilities, providing Boolean searching (and, or, not), word proximity searching (quotes to indicate phrases, adj/l, near/l), and other features.Only basic search capabilities.
Saved searches and email alertsThe ability to save searches and to request daily email alerts of new items added to databases that meet the search criteria.No ability to save searches or request email alerts.

Written work-product

Document types include CRS Reports, appropriations Reports (usually released as a Long Report), and Congressional distribution memoranda. [17]

CRS Reports

The most commonly requested CRS product is the general congressional distribution reports, known as "CRS Reports". The purpose of a report is to clearly define the issue in the legislative context. [17] The types of CRS reports include Issue Briefs (IB), Research Memos (RM), and Reports, which appear in both Short (RS) and Long (RL) formats. [39]

Other than a passing generic reference to "reports" in its statutory charter, CRS has no mandate for these products. [21] They are created in the context of the overall mission of CRS to provide research support to Congress. [9]

The reports may take many forms, including policy analysis, economic studies, statistical reviews, and legal analyses. [17]

CRS reports are considered in-depth, accurate, objective, and timely, and topped the list of the "10 Most-Wanted Government Documents" survey by the Center for Democracy and Technology in 1996. [40]

Public access to CRS Reports

Prior to September 2018, CRS products were only made directly available to members of Congress, Congressional committees, and CRS's sister agencies (CBO and GAO) through the internal CRS Web system. Since as of September 18, 2018, the official US government website "makes non-confidential reports available on its website" [5] alternative access sites are less needed. [41]

See also

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  1. 1 2 S. Rept. 114–258 – LEGISLATIVE BRANCH APPROPRIATIONS, 2017 Archived 2016-11-07 at the Wayback Machine
  2. 1 2 Office of the Director Archived 2017-05-26 at the Wayback Machine , Library of Congress
  3. Elizabeth Williamson (2007-03-21). "You'd Know if You Were Congressional". Archived from the original on 2012-11-08. Retrieved 2009-11-14.
  4. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 Brudnick, Ida A. (2008). "The Congressional Research Service and the American Legislative Process" (PDF). Congressional Research Service. Archived (PDF) from the original on 2009-07-18. Retrieved 2009-07-25.
  5. 1 2 "Congressional Research Service Reports". February 27, 2019.
  6. Gary Price (March 8, 2019). "More Types of Congressional Research Service (CRS) Reports Added to Official Portal".
  7. The 1914 legislative, executive, and judicial appropriations act – ch. 141, July 16, 1914. (or possibly 38 STAT 962, 1005). A Google search for these terms reveals "July 16, 1914, ch. 141, Sec. 5(a), (b), (e), 38 Stat. 508; restated Aug. 2, 1946, ch. 744, Sec. 16(a), 60 Stat. 810, 811." The appropriations language read; "Legislative Reference: To enable the Librarian of Congress to employ competent persons to gather, classify, and make available, in translations, indexes, digests, compilations, and bulletins, and otherwise, data for or bearing upon legislation, and to render such data serviceable to Congress and committees and Members thereof, $25,000."
  8. ch. 753, title II, sec. 203, August 2, 1946, 60 Stat. 812, 836
  9. 1 2 3 Government Information Quarterly Volume 26, Issue 3, July 2009, Pages 437–440
  10. 1 2 See 65 Stat. 398.
  11. P.L. 91-510, title III, sec. 321(a), October 26, 1970, 84 Stat. 1181; 2 U.S.C. 166.
  12. Miriam A. Drake (2003). "Congressional Research Service". Encyclopedia of Library and Information Science: Lib-Pub. 3 (2 ed.). CRC Press. ISBN   978-0-8247-2079-7.
  13. "Areas of Research". Archived from the original on 2017-07-29.
  14. "Annual Report of the Congressional Research Service for Fiscal Year 2007". Scribd. Archived from the original on 28 April 2018. Retrieved 28 April 2018.
  15. "Annual Report of the Congressional Research Service of the Library of Congress for Fiscal Year 2010" Archived 2012-08-27 at Wikiwix, p. 33
  16. <"Annual Report of the Congressional Research Service of the Library of Congress for Fiscal Year 2010" Archived 2012-08-27 at Wikiwix p. 34
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