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	Introduction

The U.S. Constitution establishes a two-step process for the House and Senate to remove federal officialsâincluding the President, Vice President, judges, and other civil officersâfor "Treason, Bribery, or other high Crimes and Misdemeanors." Under the Constitution, the House alone has the power to formally chargeâthat is, impeachâa federal official. A House majority can accomplish this by adopting articles of impeachment, which are effectively written accusations (similar to an indictment in ordinary criminal proceedings). The Senate alone has the power to try an impeachment and render a verdict regarding whether the individual should be removed from office and possibly barred from holding future office. Two-thirds of Senators voting must agree to convict and remove an official from office. The Senate could also separately decide to disqualify an officer from holding future federal office. Disqualification requires only a majority vote.
The procedures the House has developed for accomplishing this constitutional responsibility are described below. The House has used this process mostly to impeach federal judges, although the House has also impeached two Presidents and one Cabinet official. The Senate has voted to remove eight of these officials, and all of them were federal judges.
The summary of the rules and procedures the House might use to impeach a federal official presented here is drawn from published sources of congressional rules and precedents, as well as the public record of past impeachment proceedings. It relies as well upon in-depth research conducted by Betsy Palmer and Susan Navarro Smelcer, formerly of CRS, on the practice in both chambers with respect to the impeachment of federal judges. This report provides an overview of the procedures and should not be treated or cited as an authority on congressional proceedings. Consultation with the Parliamentarian of the House is always advised regarding the possible application of rules and precedents.
For more information on impeachment, including a discussion of which federal officers are subject to impeachment and possible grounds for impeachment, see CRS Report R44260, Impeachment and Removal , by Jared P. Cole and Todd Garvey.

	Overview

The impeachment process may be initiated as the result of various actions and events, including the receipt and referral of information from an outside source, investigations by congressional committees under their general authority, or the introduction of articles of impeachment in the form of a House resolution.
Regardless of what might instigate an inquiry into whether impeachment is warranted, there are normally three formal stages of congressional action. First, an impeachment inquiry is authorized, and this is most often accomplished through the adoption of a simple resolution (H.Res.___) directing the Judiciary Committee to investigate an official. Second, the committee conducts its investigation, prepares articles of impeachment, and reports them to the House. Third, the full House considers the articles of impeachment and, if they are adopted, appoints managers from the committee to present the articles in the Senate. As discussed in detail below, the House relies upon many of its usual procedures to consider the resolution explicitly initiating an investigation, conduct the investigation, and consider the articles of impeachment.

	Initiation of the Process

		Introduction of a Simple Resolution

A Member can initiate an impeachment process by drafting a simple resolution and placing it in the House hopper, the way all simple resolutions are submitted to the House. If the resolution directly calls for an impeachment, it will be referred to the Committee on the Judiciary. If it instead calls for an investigation of an official by a standing committee or proposes the creation of a special committee for that purpose, the resolution will be referred to the Committee on Rules, which has jurisdiction over the authorization of committee investigations. No special procedures restrict when such a resolution can be submitted, although historically they have been submitted relatively infrequently.

		Raising a Question of the Privileges of the House

A resolution calling for an impeachment can also be offered on the floor by any Member as a question of the privileges of the House instead of being submitted through the hopper. To do so, a Member gives notice of his or her intent to call up such a resolution. The Speaker must then schedule a time to consider the resolution within two legislative days. (The majority and the minority leader do not need to give notice; if either leader raises a qualifying question of privileges of the House on the floor, it is considered immediately.) The full House could dispose of an impeachment resolution raised in this fashion in any number of ways, including by referring it to the Judiciary Committee instead of by voting on the resolution directly. The House could also agree to a motion to table the resolution and thereby dispose of it permanently and adversely.
Impeachment has been attempted using this method in recent years, but none of the attempts has resulted in approval of articles of impeachment. In cases in which an official has been impeached, the House has always chosen to conduct an investigation first. A resolution offered from the floor that proposed a committee investigation, instead of directly impeaching an officer, would not give rise to a proper question of the privileges of the House.

		Outside and Preliminary Investigations

Material related to the conduct of a federal official might reach the House and be referred to committee prior to the adoption of a resolution directing a committee to conduct an investigation. Historically, this has included petitions and materials from citizens. In addition, standing committees, under their general investigatory authority, can seek information and research charges against officers prior to the approval of a resolution to authorize an impeachment investigation.
With respect to federal judges, the Judicial Conduct and Disability Act of 1980 established a process within the judicial branch for responding to complaints about judges. Findings from those investigations could result in the Judicial Conference of the United States informing the House that the impeachment of a judge may be warranted. A letter reporting that the Judicial Conference had reached such a determination would be referred to the Judiciary Committee. Recent impeachments of federal judges were initiated by resolutions submitted after (or near the time of) the receipt of such a determination from the Judicial Conference.
In the last presidential impeachment, a communication from the independent counsel appointed to investigate President Bill Clinton was referred to the Committee on the Judiciary pursuant to an original resolution reported by the Rules Committee. The resolution also directed the Judiciary Committee to review the information from the independent counsel "to determine whether sufficient grounds exist to recommend to the House that an impeachment inquiry be commenced." The House, in this case, later adopted a resolution reported by the Judiciary Committee to authorize an investigation by the committee.

	Authorization of Committee Investigation

If a resolution authorizing an impeachment investigation was introduced through the hopper and referred to the Rules Committee, that committee would then choose whether to report the resolution to the full House for consideration. If reported, the resolution would be privileged, which means a Member could call it up on the floor, though only at the direction of the Rules Committee. The resolution would then be considered under the hour rule, a method of considering legislation in the House that permits Members to speak for up to an hourâbut also allows a numerical majority to vote to end debate and limit the opportunity for amendment. Specifically, the Member who called up the resolution would be recognized for one hour. Debate on the resolution would likely last for that hour or even less, because a majority in the House could agree to order the previous question on the resolution. When the House votes to order the previous question, it ends debate and any opportunity for amendment. A motion to recommit the resolution with or without instructions could be offered after the previous question was ordered, but it would not be debatable. The House could also, however, choose to consider the resolution under any of its other regular processes, including suspension of the rules (requiring a two-thirds vote for passage), a rule from the Rules Committee (requiring only a majority vote), or unanimous consent.
The two most recent resolutions adopted by the House to authorize an impeachment investigation were taken up by unanimous consent at the request of the Rules Committee chair. Rather than convene a committee meeting to order the resolutions reported with a quorum present, the chair asked unanimous consent that the House discharge the Rules Committee and agree to the resolution. Both of these resolutions concerned federal judges, and they were agreed to without debate.
In the three previous instances of judicial impeachments, however, the House did not approve a resolution explicitly authorizing an impeachment inquiry. The Rules of the House since 1975 have granted committees the power to subpoena witnesses and materials, administer oaths, and meet at any time within the United Statesâpowers that were previously granted through resolutions providing blanket investigatory authorities that were agreed to at the start of a Congress or through authorizing resolutions for each impeachment investigation. In two of the three recent cases, the House agreed to separate resolutions to allow committee counsel to take affidavits and depositions.
If the House does approve an authorizing resolution, then in addition to the Rules Committee, the Judiciary Committee can report an original resolution authorizing an impeachment investigation if impeachment resolutions have been referred to the committee. In the case of the most recent authorization of a presidential impeachment inquiry, the Judiciary Committee reported such a resolution, and the full House debated it. As mentioned above, pursuant to a resolution agreed to by the House, the Judiciary Committee reviewed material submitted by an independent counsel appointed to investigate President Bill Clinton. The Judiciary Committee then reported a resolution ( H.Res. 581 , 105 th Congress) authorizing an investigation into whether sufficient grounds existed for the impeachment of the President. The resolution was privileged for immediate consideration. The chair of the Judiciary Committee called up the resolution and asked unanimous consent that instead of being recognized for the normal one hour, his time be extended to two hours, half of which he would yield to the ranking member of the Judiciary Committee for purposes of debate only. After debate under the terms of this unanimous consent agreement, the House ordered the previous question on the resolution by voice vote, ending further debate of the resolution. A minority-party Representative offered a motion to recommit, and, pursuant to a unanimous consent agreement, the motion was debated for 10 minutes before being defeated on a roll call vote. As noted, absent this unanimous consent agreement, the motion to recommit would not have been debatable. The resolution was then agreed to by a record vote, 258-176.
In the 93 rd Congress (1973-1974), multiple resolutions to impeach President Richard M. Nixon were introduced and referred to the Judiciary Committee. The committee began an examination of the charges against the President under its general investigatory authority. The House also approved a resolution, reported by the House Rules Committee, providing additional investigation authority that did not specifically mention impeachment. In late 1973, the House agreed to another resolution that provided for additional expenses of the committee, and floor debate and the report from the Committee on House Administration indicate that the funds were intended in part for the impeachment inquiry. On February 1, 1974, the Judiciary Committee reported an original resolution ( H.Res. 803 ; H.Rept. 93-774) mandating an investigation to determine whether the House should impeach President Nixon and continuing the availability of funds. On February 6, 1974, the chairman of the Judiciary Committee called up the resolution as a question of privilege. It was debated under the hour rule, with the chairman yielding time to other Members for purposes of debate only. The Judiciary Committee chair moved the previous question before any other Member was recognized to control time under the hour rule, and the House ordered the previous question 342-70. The resolution authorizing the investigation was then agreed to, 410-4.

	Committee Action

The standing rules of the House that affect committee investigations apply as well to impeachment investigations by the Judiciary Committee. A resolution authorizing an impeachment investigation might place additional limitations, or grant additional authorities, to the committee. In addition, the committee itself might adopt rules specific to an impeachment inquiry. It has not been unusual for the Judiciary Committee to authorize subcommittees or to create task forces to conduct impeachment investigations, and in that case the full committee would establish the authority of the subcommittee or task force.

		Investigation and Hearings

Under House Rule XI, committees have the authority to subpoena persons or written records, conduct hearings, and incur expenses (including travel expenses) in connection with investigations. Rule XI, clause 2(h)(2), requires two committee members to take testimony or receive evidence. In past impeachment proceedings, the House has agreed to resolutions authorizing committee staff to take depositions without Members present, and the Judiciary Committee has agreed to internal guidelines for the mode and conduct of depositions. In the 116 th Congress, pursuant to H.Res. 6 , the chairs of all standing committees (except the Rules Committee) as well as the Permanent Select Committee on Intelligence may order the taking of depositions by committee counsel. In modern practice, the federal official under investigation is generally allowed certain rights, including the right to be represented by counsel.
If a committee were to conduct hearings, these proceedings would generally be governed by House and committee rules (and any specific rules agreed to in the authorizing resolution). Under House Rule XI, notice of hearings must be provided one week in advance, and members of the committee are guaranteed the right to question witnesses under the five-minute rule.
Hearings are generally public, but they could be closed pursuant to regular House rules that allow the committee to agree, by holding a vote in public session with a majority of the committee present, to close a hearing for three specific reasons: the evidence or testimony would endanger national security, compromise sensitive law enforcement information, or would tend to "defame, degrade, or incriminate the witness." Again, the resolution authorizing an impeachment investigation could alter these procedures.
The Judiciary Committee conducted multiple public hearings in connection with the impeachment of federal judges in 2009. The committee had created a task force to investigate whether two federal judges should be impeached. The task force conducted hearings during which they heard from a variety of witnesses, including law professors with expertise on impeachable offenses, individuals with information about the crimes the judges were accused of committing, and task force attorneys who reported on the status of the investigation.
In 1998, the Judiciary Committee held four hearings in connection with the impeachment of President Clinton. The committee received testimony from 19 experts on the history of impeachment at one hearing and from the independent counsel at another. Various witnessed testified at a third hearing on the consequences of perjury and related crimes. Over two days of hearing in early December 1998, at the request of the Administration, the committee also heard testimony from White House counsel.
In recent decades, it has been more common than not that a congressional committee used information provided from another outside investigation. In four of the five judicial impeachment investigations undertaken by the Judiciary Committee since 1980, "the accused judge had either been subject to a federal criminal trial or pled guilty to a federal criminal charge prior to the initiation of impeachment proceedings in the House." In the case of the impeachment of President Bill Clinton, as mentioned above, the results of an independent counsel investigation alleging impeachable offenses were submitted to the House and referred to the Judiciary Committee.

		Markup of Articles of Impeachment

A committee charged with investigating impeachable offences might, after conducting its investigation and reviewing any evidence submitted from other investigations, meet to consider articles of impeachment, and such a meeting is referred to as a markup. The articles of impeachment are in the form of a simple resolution (H.Res.___). The procedures for considering and reporting out an impeachment resolution are the same as those used for other legislation. Notice must generally be given of the proposed meeting, and the text of the articles of impeachment must generally be available 24 hours in advance of the meeting, although House Rule XI, clause 2 (g)(3)(B), provides some exceptions to these requirements. Members of the committee could expect an opportunity to offer amendments to the articles of impeachment, which would be debated under the five-minute rule. Importantly, a majority of the committee must be physically present at the time of the vote to report. Alternatively, after an investigation, the committee might also choose to report a recommendation that impeachment was not warranted.
In the case of the two most recent presidential impeachments, the Judiciary Committee held a public, televised markup of the impeachment articles for several days. A motion to recommend a resolution to impeach President Nixon was considered by the Judiciary Committee for six days at the end of July 1974. The committee agreed to special procedures for the markup, such as a 10-hour period for "general debate," and each article of impeachment was considered separately for amendment. The resolution included two articles of impeachment, which were both agreed to, as amended. A third article of impeachment was proposed as an amendment and agreed to, and two additional articles offered as amendments were rejected. The President resigned before the committee reported an impeachment resolution to the full House.
In 1998, the Judiciary Committee considered articles impeaching President Clinton for three days in December under procedures modelled after those used in 1974. A unanimous consent agreement provided that the four articles of impeachment included in the chairman's draft resolution would be debated, amended, and voted on separately. Each member of the committee was allotted 10 minutes for an opening statement. The committee considered and agreed to an amendment to Article I and an amendment to Article IV. All four articles were agreed to, and a resolution ( H.Res. 611 , 105 th Congress) was reported to the House. A written report was prepared and several Members submitted additional, minority, and dissenting views, a right protected under House Rule XI, clause 2(l), if notice of intent is given at the time a committee approves a matter.

		Member Access to Information Prior to Full House Consideration

Under House Rule XI, clause 2(e), committee records are the property of the House, and all Members can have access to them. The committee may, however, place reasonable restrictions on where, when, and how Members might access the records. In addition, access to committee investigatory material might be limited, at least for a time, while the committee determines if it qualifies as a committee record under House Rule XI, and, if so, if release is prohibited pursuant to other House rules. A committee might also take actions to protect the confidentiality of investigative materials.
The primary mechanism by which an investigating committee can and has chosen to limit access to inquiry information is through the use of executiveâor closedâsession. Under House Rule XI, clause 2(g)(1), a committee can operate in executive session by majority vote, a quorum being present, to restrict attendance at a business session to only committee members or others authorized by the committee. Similarly, a committee can receive evidence or testimony as if in executive session, which, under Rule XI, clause 2(k)(7), may only be released through authorization by the committee. Even when access to information received in executive session is granted to Members, the material may be subject by the committee to further conditions under which it may be viewed. In addition, the copying, releasing, or taking notes on materials received in executive session is strictly prohibited without permission of the committee. Executive sessions were periodically used during the inquiries into Presidents Nixon and Clinton.
Further restrictions on access to information can be adopted by the House or the investigating committee. As previously mentioned, the Judiciary Committee adopted special procedures by unanimous consent in 1974 that, among other provisions, limited access to information to select individuals within the committee and laid out rules for staff. As a precursor to the formal impeachment inquiry of President Clinton, the House agreed to H.Res. 525 during the 105 th Congress directing the Judiciary Committee to review the independent counsel's report to Congress to determine if impeachment proceedings were warranted. Section 4 of the resolution limited access to executive session material to the Judiciary Committee and employees designated by the chairman and ranking memberâa more strict requirement than called for under House Rule XI. Notably, the resolution also made 445 pages of the independent counsel's report immediately available to the public and set a deadline by which the rest of the report would be released from its executive session status based on recommendations by the committee. Prior to the adoption of H.Res. 525 , House leadership reportedly discussed at length the issue of access to the independent counsel report by the public, the President, and Members of the House.

	Consideration of Articles of Impeachment on the House Floor

Although floor consideration of an impeachment resolution largely resembles floor consideration of legislation, there is one difference regarding disorderly language: Under regular House procedures, it is not in order to use language that is personally offensive toward the President, which would include accusations that the President committed a crime or allusions to unethical behavior. During consideration of an impeachment resolution, however, remarks in debate can refer to the alleged misconduct of the President that is under consideration by the House. Members should still abstain from other language "personally offensive" to the President.

		Reported by the Judiciary Committee

Articles of impeachment reported by the Judiciary Committee are privileged for immediate consideration on the House floor. The chair of the committee (or a designee) could call up the resolution containing the articles at any time other business is not pending, and the resolution would be considered immediately under the hour rule. Under this procedure, a majority of the House controls the length of debate and can prevent amendment. After some debate, the majority could vote to order the previous question, which, as mentioned above, brings the House to an immediate vote on the main question: whether to agree to the impeachment resolution, in this case. Passage is by simple majority vote.
A motion to recommit the impeachment resolution, with or without instructions, would be in order after the previous question was ordered but before the vote on the resolution. This motion, however, would not be subject to debate. As is always the case, any instructions in the motion to recommit must be germane to the resolution.
In the two most recent instances in which the House considered an impeachment resolution of a federal judge, the resolution was called up as privileged and debated for an hour, and no Member offered a motion to recommit. In both cases, a Member demanded a division of the resolution, which allowed the House to vote separately on each article of impeachment.
When the House considered a resolution ( H.Res. 611 , 105 th Congress) to impeach President Clinton, the reported resolution was called up as a question of privilege. A unanimous consent request propounded by the majority floor manager that provided for four hours of debate on the resolution, equally divided, and 10 minutes of debate on a motion to recommit was objected to. The House then considered the resolution for several hours, as no Member moved the previous question, until another unanimous consent agreement was propounded and agreed to. This agreement allowed debate to continue until 10 p.m. that night and provided for an additional hour of debate the next day, a Saturday. It further provided that if a motion to recommit with instructions was offered, it would be debatable for 10 minutes.
On the second day of consideration, after the previous question was ordered, a Member moved to recommit the impeachment resolution with instructions. The instructions proposed an amendment to censure the President. The Speaker, however, ruled that the amendment in the instructions was not germane. The House sustained the ruling of the Speaker by voting to table an appeal. A Member demanded a division of the resolution, and the House agreed to two of the four articles of impeachment under consideration.
In the case of the Nixon impeachment proceedings, the full House never acted on a resolution of impeachment. As noted, President Nixon resigned before the Judiciary Committee reported its recommendation that the President be impeached. The House approved a resolution using the suspension of the rules procedure acknowledging that the Judiciary Committee had approved articles of impeachment, commending the members of the Judiciary Committee for their work, and providing for the printing of its report.
Rather than considering an impeachment resolution under the hour rule, the House could also choose to consider an impeachment resolution under the terms of a resolution reported by the Rules Committee (a special rule). This process would operate in the same two-step way it does for major legislation in the House. The House would first debate the Rules Committee-reported resolution setting the terms for consideration of the impeachment resolution. The rule from the Rules Committee could provide for a particular length of debate, structure any amendment process, and potentially structure voting to allow each article to be voted on separately. It could preclude motions that would otherwise be in order under the hour rule, such as a motion to table the resolution. After the House agreed to the rule, it would then consider the impeachment resolution under the terms established by that rule.
Finally, consideration and debate of an impeachment resolution could be governed by a unanimous consent agreement. The House might take up the resolution by unanimous consent or call it up as a question of privilege and change the terms of its consideration by unanimous consent, such as was described above in the case of the Clinton impeachment resolution. A unanimous consent agreement can structure consideration just like a special rule, but it is agreed to without a vote and usually with little or no floor debate. The major difference is that, procedurally, it is necessary for all Representatives to support a unanimous consent agreement, while only a simple majority is necessary to agree to a special rule. The fact that the same terms for consideration could be established through a rule can influence unanimous consent agreements.

		Offered on the Floor as a Question of the Privileges of the House

As described in an earlier section of this report, any Member of the House could also offer on the floor a resolution containing articles of impeachment as a "question of the privileges of the House." Taking this action will not necessarily result in a direct vote on the articles of impeachment or even debate of the articles, because the House could choose instead to take a different action on the resolution, such as to refer it to the Judiciary Committee.
To raise a question of the privileges of the House, a Member would take the following steps:
Draft a resolution containing articles of impeachment. Consult with the Office of the House Parliamentarian to ensure that the resolution qualifies as a question of the privileges of the House. On the House floor, rise to give notice of intent to offer a question of the privileges of the House. The Member giving notice reads the draft resolution in full on the floor. (The majority and minority leader do not need to give notice; a question of the privileges of the House raised by either leader would be considered immediately.) The Speaker is required to schedule consideration of the question of the privileges of the House within two legislative days. At a time scheduled by the Speaker, rise to offer the resolution as a question of the privileges of the House. The Speaker will rule as to whether the resolution constitutes a proper question of the privileges of the House. If it does, the resolution will be assigned a number and will be pending before the House for consideration.
A question of the privileges of the House is considered under the hour rule. Often, the House votes to dispose of such resolutions by referring them to committee or by tabling them. The House could also order the previous question to end debate on the resolution and then vote directly on it. However, the House has never impeached an officer without a committee investigation.

	Appointment and Role of House Managers in the Senate Trial

After the House has agreed to articles of impeachment, it then appoints Members to serve as managers in the Senate trial. In recent practice, the House has appointed managers by agreeing to a House resolution. The House also, by resolution, informs the Senate that it has adopted articles of impeachment and authorizes the managers to conduct the trial in the Senate. The House could agree to separate resolutions or, as has been the case with recent impeachments, to a single resolution accomplishing each of these purposes. Such resolutions are privileged, and sometimes they have been taken up and agreed to by unanimous consent.
After the Senate receives the resolution(s) from the House, the Senate informs the House when the managers can present the articles of impeachment to the Senate. At the appointed time, the House managers read the resolution authorizing their appointment and the resolution containing the articles of impeachment on the Senate floor and then leave until the Senate invites them back for the trial. At the trial, the House managers, who might be assisted by outside counsel, present evidence against the accused and could be expected to respond to the defense presented by the accused (or his or her counsel) or to questions submitted in writing by Senators.
A full description of Senate procedures in an impeachment trial is beyond the scope of this report. The Senate has a special set of rulesâagreed to in the 19 th centuryâthat provide some guidance for impeachment trial proceedings. However, in modern practice the Senate has agreed to alternative or supplemental procedures both for judicial impeachment trials and the impeachment trial of President Clinton.
The 19 th -century impeachment trial rules seemingly require a series of actions by the Senate upon the receipt of articles of impeachment from the House. The Senate, however, just like the House, can set aside its rules by, for example, agreeing to a simple resolution. Under the regular rules of the Senate that govern consideration of legislation, such a resolution would not be subject to any debate restrictions. As a result, in that circumstance, a cloture process, requiring the support of three-fifths of the Senate, would be necessary to reach a vote on the resolution. Once the Senate has convened as a Court of Impeachment, however, the impeachment trial rules, not the regular rules of the Senate, will apply. The Senate impeachment trial rules and related precedents restrict debate on many resolutions and motions. The debate restrictions could allow a simple majority to determine some procedures for responding to articles of impeachment sent from the House.