Presidential Succession Act
A Presidential Succession Act is a federal statute establishing the presidential line of succession. Article II, Section 1, Clause 6 of the United States Constitution, which authorizes Congress to enact such a statute, provides:
... Congress may by Law provide for the Case of Removal, Death, Resignation or Inability, both of the President and Vice President, declaring what Officer shall then act as President, and such Officer shall act accordingly, until the Disability be removed, or a President shall be elected.
Although none of these succession acts have ever been invoked, having to do so was a distinct possibility on several occasions in American history. However, the future likelihood that a speaker, president pro tempore, or cabinet member will be called upon to be acting president has diminished greatly due to the Twenty-fifth Amendment's provision for filling vice presidential vacancies.
- 1 Presidential Succession Act of 1792
- 2 Presidential Succession Act of 1886
- 3 Presidential Succession Act of 1947
- 4 Table of statutory successors
- 5 Notes
- 6 References
- 7 External links
Presidential Succession Act of 1792
The Constitution authorizes Congress to declare who should act as president if both the president and vice president died or were otherwise unavailable to serve during their terms of office. Legislation to establish such a line of succession was introduced December 1790, in the House of Representatives of the 1st Congress. When brought up for discussion the following month, the President pro tempore of the Senate and the Speaker of the House were proposed; the Secretary of State and the chief justice of the Supreme Court were as well. Lawmakers failed, however, to reach consensus on who should be the statutory successor. Naming the Secretary of State was unacceptable to most Federalists, as they did not want the office's current occupant, Thomas Jefferson, the leader of the growing anti-administration opposition that would become the Democratic-Republican Party, placed so close to the presidency. Constitutional and policy objections were raised to naming the President pro tempore or the Speaker, as it was assumed the individual would retain their office and seat in Congress while temporarily performing duties of the presidency; similar separation of powers concerns were also raised regarding the Chief Justice.
The matter was raised again when the 2nd Congress convened later in 1791. On November 30, the Senate approved legislation titled,."An act relative to the election of a President and Vice President of the United States, and declaring the officer who shall act as President in case of vacancies in the offices both of President and Vice President," which was sent to the House for concurrence. It contained a provision naming the President pro tempore of the Senate, or, if that office were vacant, the Speaker of the House of Representatives as acting president if a vacancy arose in both the presidency and vice presidency. Various representatives, including a number of the Constitution's framers, criticized the arrangement as being contrary to their intent. As a result, after a contentious debate, the February 15, 1792 House-passed bill struck out of the President pro tempore and Speaker and inserted the Secretary of State in their place. The Senate rejected the House change a few days later, and the House relented. The bill became law on March 1, 1792, with the signature of President George Washington.
The Presidential Succession Act of 1792, sections 9 and 10 of the larger act relative to the election of the president and vice president (Full text ), provided that the president pro tempore of the Senate would be first in line for the presidency should the offices of the President and the Vice President both be vacant at the same time. The Speaker of the House was second in line. Section 9 provided that the statutory successor would serve in an acting capacity, holding office only until a new president could be elected.[A] If such a double vacancy occurred, Section 10 directed the Secretary of State to notifying the governor of each state of the vacancies and of the special election to fill them. This special election would take place no fewer than two months later. The persons elected president and vice president in such a special election would have served a full four-year term beginning on March 4 of the next year; no such election ever took place.
After adopting what would become the Twelfth Amendment and submitting it to the states for ratification, the Eighth Congress approved a supplement to the 1792 Act. Signed into law by President Thomas Jefferson on March 26, 1804, this statute reflected the new manner of voting for President and Vice President prescribed by the amendment,[B] and established a contingency plan in case it were to be ratified prior to the 1804 election.
While the succession provisions of the 1792 Act were never invoked, there were ten instances when the Vice Presidency was vacant:
- April 20, 1812 – March 4, 1813 (George Clinton 318 days) following the death of
- November 23, 1814 – March 4, 1817 (Elbridge Gerry 2 years, 101 days) following the death of
- December 28, 1832 – March 4, 1833 (John C. Calhoun 66 days) following the resignation of
- April 4, 1841 – March 4, 1845 (John Tyler to the presidency 3 years, 334 days) following the accession of
- July 9, 1850 – March 4, 1853 (Millard Fillmore to the presidency 2 years, 238 days) following the accession of
- April 18, 1853 – March 4, 1857 (William R. King 3 years, 320 days) following the death of
- April 15, 1865 – March 4, 1869 (Andrew Johnson to the presidency 3 years, 323 days) following the accession of
- November 22, 1875 – March 4, 1877 (Henry Wilson 1 year, 102 days) following the death of
- September 19, 1881 – March 4, 1885 (Chester A. Arthur to the presidency 3 years, 166 days) following the accession of
- November 25, 1885 – March 4, 1889 (Thomas A. Hendricks 3 years, 99 days) following the death of
In each case, had the president died, resigned, been removed from office or been disabled during one of these vacancies, the President pro tempore of the Senate would have become Acting President. Such a double-vacancy nearly occurred on three occasions:
- In 1844, President John Tyler narrowly missed being killed when a bow gun ("Peacemaker," the world's largest naval gun at the time) on newly built USS Princeton exploded during a ceremonial cruise down the Potomac River below Washington. Several people were killed instantly, but Tyler had gone below deck just before the explosion and so was unhurt. Had he also died in the explosion, President pro tempore Willie Person Mangum would have become Acting President.
- In 1865, President Abraham Lincoln was assassinated by John Wilkes Booth. Two of Booth's accomplices also intended to assassinate Vice President Andrew Johnson and Secretary of State William H. Seward. Seward's would-be assassin, Lewis Powell, attacked but failed to kill him, whereas George Atzerodt, who planned to murder Johnson, never acted. If Atzerodt had assassinated Johnson, President pro tempore Lafayette S. Foster would have become Acting President.
- In 1868, after President Andrew Johnson was impeached by the House of Representatives, the Senate came one vote short of removing him from office; if Johnson had been removed, President pro tempore Benjamin Wade would have become Acting President.
Presidential Succession Act of 1886
The death of President James A. Garfield in 1881, after his lengthy incapacity, followed in 1885 by the death of Vice President Thomas A. Hendricks, forced Congress to address the inadequacies of the 1792 Succession Act. When Chester A. Arthur succeeded to the presidency following Garfield's death, there was no vice president, no president pro tempore of the Senate, and no Speaker of the House of Representatives. President Grover Cleveland faced the same situation following Hendricks' death. Twice within the span of four years it happened that there was no one to discharge the powers and duties of the presidency if it again became necessary to do so.
A bill to transfer the succession from congressional officers to members of the Cabinet was introduced in the Senate by George Hoar in 1882. It was passed by the Senate the following year but failed in the House. Hoar laid out several reasons why the succession statute need to be changed. Among them, that the four-year term of a president elected in a special election might be out of sync with the Congressional election cycle, resulting in "confusion and trouble." He also pointed out the negative constitutional and practical implications of having the president pro tempore and the speaker in the line of succession. To buttresses this argument, he pointed out that since the federal government began operations 96 years earlier in 1789, six secretaries of state had gone on to be elected president, serving in that office for 36 of those 96 years.[C] Reintroduced shortly after the death of Vice President Hendricks, Senator Hoar's bill was passed by the Senate after vigorous debate, in December 1885, and by the House one month later. It became law on January 19, 1886, with President Cleveland's signature.
The Presidential Succession Act of 1886 (Full text ) substituted the Cabinet secretaries—listed in the order in which their department was created—for the President pro tempore and Speaker in the line of succession. It provided that in case of the removal, death, resignation or inability of both the President and Vice President, such officer would "act as President until the disability of the President or Vice-President is removed or a President shall be elected." It mandated that If Congress were not then in session or due to meet within twenty days, the acting president was to call a special session of Congress, giving no less than twenty days' notice. It also stipulated that for a member of the Cabinet to act as president, he had to have been appointed by and with the advice and consent of the Senate and be eligible to the office of President and not under impeachment. This last provision replaced the 1792 provision for a double-vacancy special election; it was a loophole left for Congress to call such an election if that course seemed appropriate.
While it never became necessary to invoke the 1886 Act, the vice presidency was vacant at the time of its adoption, and would become vacant five more times during the 61 years that it was in effect:
- November 21, 1899 – March 4, 1901 (Garret Hobart 1 year, 103 days) following the death of
- September 14, 1901 – March 4, 1905 (Theodore Roosevelt to the presidency 3 years, 171 days) following the accession of
- October 30, 1912 – March 4, 1913 (James S. Sherman 125 days) following the death of
- August 2, 1923 – March 4, 1925 (Calvin Coolidge to the presidency 1 year, 214 days) following the accession of
- April 12, 1945 – January 20, 1949 (Harry S. Truman to the presidency 3 years, 283 days) following the accession of
Had the incumbent president died, resigned, been removed from office or been disabled during one of these vacancies, the Secretary of State would have become Acting President. Although such circumstances never arose, President Woodrow Wilson apparently drew up a plan whereby, given the turmoil of World War I, if his Republican opponent Charles Evans Hughes had won the 1916 election, then Wilson would have dismissed the Secretary of State, Robert Lansing, and recess-appointed Hughes to the post. Soon thereafter, Vice President Thomas R. Marshall and then Wilson himself would have resigned, thus allowing President-elect Hughes to serve as acting president until his March 4, 1917 inauguration. Wilson's narrow victory over Hughes rendered the plan moot. Also of note is that 1940 Republican presidential nominee Wendell Willkie and vice presidential nominee Charles L. McNary both died in 1944 (October 8, and February 25, respectively); the first, and to date only time both members of a major-party presidential ticket died during the term for which they sought election. Had they been elected, Willkie's death would have resulted in the Secretary of State becoming acting president for the remainder of the term ending on January 20, 1945.
Presidential Succession Act of 1947
|Long title||An Act To provide for the performance of the duties of the office of President in case of the removal, resignation, death, or inability both of the President and Vice President.|
|Enacted by||the 80th United States Congress|
|Effective||July 18, 1947|
|Public law||Pub.L. 80–199|
|Statutes at Large||61 Stat. 380|
|Acts repealed||Presidential Succession Act of 1886 (Pub.L. 49–4, Session 1; 24 Stat. 1)|
|Titles amended||U.S. Code: Title 3 – The President|
|U.S.C. sections created||§ 24; now 3 U.S.C. § 19 by Act of Congress June 25, 1948 (62 Stat. 672)|
|U.S.C. sections amended||§§ 21 and 22 (1940 edition)|
Modifications to § 19 (d)(1):|
• Pub.L. 80–253, § 311; 61 Stat. 509 (1947)
• Pub.L. 89–174, § 6(a); 79 Stat. 669 (1965)
• Pub.L. 89–670, § 10(a); 80 Stat. 948 (1966)
• Pub.L. 91–375 § 6(b); 84 Stat. 775 (1970)
• Pub.L. 95–91, title VII, § 709(g); 91 Stat. 609 (1977)
• Pub.L. 96–88, title V, § 508(a); 93 Stat. 692 (1979)
• Pub.L. 100–527, § 13(a); 102 Stat. 2643 (1988)
• Pub.L. 109–177, title V, § 503; 120 Stat. 247 (2006)
In June 1945, two months after becoming president upon Franklin D. Roosevelt's death, Harry Truman recommended to Congress that the Speaker of the House and President pro tempore of the Senate be restored to and given priority in the presidential line of succession over members of the Cabinet. The arrangement reflected Truman's belief that the president should not have the power to appoint to office "the person who would be my immediate successor in the event of my own death or inability to act," and that the presidency should, whenever possible, "be filled by an elective officer." Cabinet officials are appointed by the president, whereas the Speaker and the President pro tempore are elected officials. He also recommended that a provision be made for election of a new president and vice president should vacancies in both of those offices occur more than three months before the midterm congressional elections.
A bill incorporating the president's proposal was introduced in the House on June 25, 1945 by Hatton W. Sumners and approved—minus the special election provision—four days later by a wide margin. The measure was forwarded to the Senate, which took no action on it during the balance of the 79th Congress. Truman renewed his request in 1947, when the 80th Congress convened following the 1946 midterm elections. Early in 1947, Senator Kenneth S. Wherry introduced a bill in the Senate which, like the previous 1945 version, put the Speaker and the President pro tempore second and third in the succession order respectively, and contained no provision for a special election. After considerable debate the measure was approved on June 27, 1947, by a vote of 50 to 35. Forwarded to the House, the legislation engendered little debate, and was passed on July 10 by a vote of 365 to 11; becoming law on July 18, with President Truman's signature.
The Presidential Succession Act of 1947 (Full text ) restored the Speaker of the House and President pro tempore of the Senate to the line of succession—in reverse order from their positions in the 1792 act—and placed them ahead of the members of the Cabinet, who are positioned once more in the order of the establishment of their department: Secretary of State, Secretary of the Treasury, Secretary of War, Attorney General, Postmaster General, Secretary of the Navy, and Secretary of the Interior. Three Cabinet secretaries were added to the lineup, reflecting the creation of three Cabinet-level departments post-1886: Secretary of Agriculture, Secretary of Commerce, and Secretary of Labor. The act stipulates, that in order for either the speaker or the president pro tempore to become acting president, he or she must meet the requirements for presidential eligibility, and must, prior to acting as president, resign from office, including from Congress.
Like the 1886 act, this statute specifies that only Cabinet members who are constitutionally eligible to the office of President, and not under impeachment by the House at the time the powers and duties of the presidency devolve upon them, may become Acting President. However, unlike the 1886 act, this statute mandates that any Cabinet officer who accedes to the powers and duties of the presidency resign their Cabinet post. It also contains a clause stipulating that any Cabinet officer acting as President may be "bumped" from office (supplanted) by a qualified individual higher up the line of succession, a provision not contained in either of the earlier succession acts.
The 1886 and 1947 acts diverge in one other way, the previous statute describes "such officers as shall have been appointed by the advice and consent of the Senate to the offices therein named" as being eligible to serve as Acting President, whereas the new statute describes "officers appointed, by and with the advice and consent of the Senate" as being eligible. The less explicit 1947 language raises the question of whether the acting secretaries are in the line of succession. The nonpartisan Continuity of Government Commission remarked in a 2009 report said, "Read literally, this means that the current act allows for acting secretaries to be in the line of succession as long as they are confirmed by the Senate for a post (even for example, the second or third in command within a department)." Although a case for their inclusion can be made, it is not clear whether acting secretaries are indeed in the line of succession.
New in this statute is a declaration that a person who becomes an acting president under the act will earn the same compensation given to the President. Additionally, acting on authority granted by Section 3 of the Twentieth Amendment, Congress added "failure to qualify" as a possible condition for presidential succession.
The 1947 act has been modified by a series of incidental amendments to reflect the creation of new federal departments. Less then 2 weeks after the Act was enacted, Truman signed the National Security Act of 1947 into law. This statute (in part) merged the Department of War (renamed as the Department of the Army) and the Department of the Navy into the National Military Establishment (renamed Department of Defense in 1949), headed by the Secretary of Defense. It also included a provision substituting Secretary of Defense for Secretary of War in the line of succession and striking the Secretary of the Navy out.
In 1965, two positions were added behind the Secretary of Labor – the Secretary of Health, Education, and Welfare, and the Secretary of Housing and Urban Development; a third, the Secretary of Transportation was added the following year. In 1970 and 1977, respectively, the Postmaster General was removed, as a result of the Postal Reorganization Act, and the Secretary of Energy was inserted at the end of the list. In 1979, when the Department of Health, Education, and Welfare was divided by the Department of Education Organization Act, its secretary was replaced in the order of succession by the Secretary of Health and Human Services, and the new Secretary of Education was added in the last position. In 1988 and 2006, respectively, the Secretary of Veterans Affairs and then the Secretary of Homeland Security were added, becoming the 16th and 17th statutory successors (beyond the vice president) to the powers and duties of the presidency.
When the later department was created in 2002, the act creating it did not contain a provision adding the new department's secretary into the line of presidential succession. Secretaries of newly-created cabinet-level departments are not automatically included, but must be specifically incorporated. Companion bills to include the Secretary of Homeland Security (SHS) in the line of succession were introduced in the 108th Congress (in 2003) and again in the 109th (in 2005) by Senator Mike DeWine and Representative Tom Davis. Both bills strayed from tradition, however, by proposing to place the SHS in the line of succession directly after the Attorney General (rather than at the end of the line). Proponents of placing the SHS high in the order of succession (eighth overall, as opposed to eighteenth) argued that, given the department's many responsibilities in the areas of security and national preparedness, the officer responsible for disaster relief and security, could be expected to possess the relevant knowledge and expertise to capably function acting as President following a catastrophic event; the same could not be said of every cabinet secretary. Referred to committee, no action was taken on these proposals. The matter remained unresolved until March 2006, when the USA PATRIOT Improvement and Reauthorization Act added the secretary of Homeland Security to the presidential line of succession.
While it has not become necessary to invoke the 1947 Act, the vice presidency was vacant at the time of its adoption, and has been vacant three more times since:
- November 22, 1963 – January 20, 1965 (Lyndon B. Johnson to the presidency 1 year, 59 days) following the accession of
- October 10, 1973 – December 6, 1973 (Spiro Agnew 57 days) following the resignation of
- August 9, 1974 – December 19, 1974 (Gerald Ford to the presidency 132 days) following the accession of
Had the president died, resigned, been removed from office or been disabled during one of these vacancies the speaker of the House would have become Acting President. The nation faced the prospect of such a double-vacancy in the autumn of 1973. With the future of Richard Nixon's presidency in doubt on account of the Watergate scandal, and with the vice presidency vacant following Spiro Agnew's resignation, there was a possibility that Speaker of the House Carl Albert might become acting president. Recourse in this case to the 1947 Act was not necessary, because Section 2 of the Twenty-fifth Amendment, ratified only six years earlier, established a mechanism for filling an intra-term vice presidential vacancy. As a result, rather than Carl Albert becoming acting president when Richard Nixon resigned on August 9, 1974, Vice President Gerald Ford became president on that date.
The Twenty-fifth Amendment also established a procedure for responding to Presidential disabilities whereby a vice president could assume the powers and duties of the presidency as Acting President; two presidents have, on three occasions, followed this procedure to declare temporary disability:
- July 13, 1985 – Ronald Reagan, before undergoing surgery; George H. W. Bush was acting president for approximately eight hours.
- June 29, 2002 and July 21, 2007 – George W. Bush, prior to undergoing medical procedures, which were done under sedation; Dick Cheney was acting president for approximately two hours on each occasion.
During the September 11, 2001 terrorist attacks, the Secret Service carried out its plan for ensuring the continuity of government, which in part called for gathering up persons in the presidential line of succession and taking them to a secure location, in order to guarantee that at least one officer in the line of succession would survive the attacks. Speaker of the House Dennis Hastert and several other congressional leaders went; President pro tempore of the Senate Robert Byrd did not, choosing instead to be taken to his Capitol Hill home. Vice President Dick Cheney and Secretary of Transportation Norman Mineta went into an underground bunker at the White House; a few Cabinet members were out of the country that day.
There is a long history, dating back to the Cold War era, of keeping a designated successor away from events at which numerous high ranking federal officers—including the President, Vice President, Congressional leaders, and Cabinet members—will be gathered. This is done to ensure that there is always someone available to assume the reins of government if all the other officers are killed at the event. For example, Secretary of Agriculture Sonny Perdue was the Cabinet member so designated when President Donald Trump delivered his 2018 State of the Union Address. Perdue was taken to a secure location several hours beforehand, and remained there throughout the event. Although any cabinet secretary could be selected, the person appointed has usually come from one of the newer departments low in the line of succession. The person chosen must also meet the constitutional requirements to serve as president.[D]
The 1947 act has been widely criticized over the years as unconstitutional. Akhil Amar, who is a legal scholar in constitutional law, has called it "a disastrous statute, an accident waiting to happen". There are two main areas of concern.
Meaning of "officer"
There are concerns regarding the constitutionality of having members of Congress in the line of succession. The Constitution's Succession Clause—Article II, Section 1, Clause 6—specifies that only an "Officer" may be designated as a Presidential successor. Constitutional scholars from James Madison to the present day have argued that the term "Officer" refers to an "Officer of the United States," a term of art that excludes members of Congress. During a September 2003 joint hearing Before the U.S. Senate's Committee on Rules and Administration and Committee on the Judiciary, M. Miller Baker said:
The 1947 Act is probably unconstitutional because it appears that the Speaker of the House and the President pro tempore of the Senate are not "Officers" eligible to act as President within the meaning of the Succession Clause. This is because in referring to an "Officer", the Succession Clause, taken in its context in Section 1 of Article II, probably refers to an "Officer of the United States", a term of art under the Constitution, rather than any officer, which would include legislative and state officers referred to in the Constitution (e.g., the reference to state militia officers found in Article I, Section 8). In the very next section of Article II, the President is empowered to "require the Opinion, in writing, of the principal Officer in each of the executive Departments" and to appoint, by and with the advice and consent of the Senate, "Officers of the United States". These are the "Officers" to whom the Succession Clause probably refers. This contextual reading is confirmed by Madison's notes from the Constitutional Convention, which reveal that the Convention's Committee of Style, which had no authority to make substantive changes, substituted "Officer" in the Succession Clause in place of "Officer of the United States," probably because the Committee considered the full phrase redundant.
In Is the Presidential Succession Law Constitutional?, Akhil Amar and Vikram Amar refer to the Incompatibility Clause (Article I, Section 6, Clause 2)—which bars officials in the federal government's executive branch from simultaneously serving in either the U.S. House or Senate—as evidence that members of the Congress cannot be in the Presidential line of succession.
The Act is also controversial because it provides that an officer who is acting as President due to the disability or failure to qualify of an officer higher in the order of succession does so only until the other officer's disability or disqualification is removed. If happens, the previously entitled officer can "bump" the person then acting as President. During testimony in 2004 before the a U.S. House subcommittee, Akhil Reed Amar stated that this provision violates "the Succession Clause, which says that an officer named by Congress shall 'act as President ... until the Disability be removed, or a President shall be elected.'"
In its 2009 report, the Continuity of Government Commission argued that as well as going against the language of the Constitution, bumping violates the doctrine of separation of powers by undermining the independence of the executive from the Congress:
The Constitution on its face seems to stipulate that once a person is deemed to be acting president by the Presidential Succession Act, he or she cannot be replaced by a different person. This interpretation makes some logical sense as the provision would presumably prevent the confusion that would arise if the presidency were transferred to several different individuals in a short period of time. It would also seemingly prevent Congress from exercising influence on the executive branch by threatening to replace a cabinet member acting as president with a newly elected Speaker of the House.
On a practical level, it is argued that this provision could result in there being multiple legitimate presidents in a short period of time during a national crisis and weaken the public legitimacy of successors. In a January 2011 Roll Call Op-ed, Congressman Brad Sherman wrote,
[The bumping provision] creates a game of musical chairs with the presidency and would cause great instability. In a time of national crisis, the nation needs to know who its president is.
Table of statutory successors
- Under the original procedure for choosing the President and Vice President prescribed by Article II, Section 1, Clause 3, of the Constitution, each presidential elector cast two votes for President; at least one of the individuals voted for had to be from a state different from the elector's. The individual with the majority of votes became President, and the runner-up became Vice President.
- Under the revised procedure for choosing the President and Vice President prescribed by the Twelfth Amendment the Constitution, each presidential elector casts one of their two electoral votes for a presidential candidate and casts their other vote for a vice presidential candidate; as before, at least one of the individuals voted for had to be from a state different from the elector's.
- The six secretaries of state had become president were: Thomas Jefferson, James Madison, James Monroe, John Q. Adams, Martin Van Buren and James Buchanan. John Tyler was the only president pro tempore to become president and James K. Polk the only Speaker.
- As of July 30, 2018, only Secretary of Transportation Elaine Chao is not eligible to become Acting President; she is not a natural-born U.S. citizen (citizenship acquired through naturalization).
- "Presidential Succession Act Law and Legal Definition". US Legal System. USLegal. Retrieved July 3, 2018.
- "Essays on Article II: Presidential Succession". The Heritage Guide to the Constitution. The Heritage Foundation. Retrieved July 16, 2018.
- Neale, Thomas H. (September 27, 2004). "Presidential and Vice Presidential Succession: Overview and Current Legislation" (PDF). CRS Report for Congress. Washington, D.C.: Congressional Research Service, the Library of Congress. Retrieved July 3, 2018.
- "Presidential Succession: February 20, 1792". Washington, D.C.: Secretary of the Senate. Retrieved July 16, 2018.
- Feerick, John D.; Freund, Paul A. (1965). From Failing Hands: the Story of Presidential Succession. New York City: Fordham University Press. pp. 57–62. LCCN 65-14917.
- Glass, Andrew (July 18, 2016). "Truman signs Presidential Succession Act, July 18, 1947". Politico. Retrieved July 16, 2018.
- Relyea, Harold C. (August 5, 2005). "Continuity of Government: Current Federal Arrangements and the Future" (PDF). CRS Report for Congress. Washington, D.C.: Congressional Research Service, the Library of Congress. pp. 2–4. Retrieved June 16, 2018.
- Fried, Charles. "Articles on Amendment XII: Electoral College". The Heritage Guide to the Constitution. The Heritage Foundation. Retrieved July 18, 2018.
- Albert, Richard (2011). "The Constitutional Politics of Presidential Succession" (PDF). Hofstra Law Review. 39 (3): 497–576. Retrieved July 8, 2018.
- Levinson, Sanford. "The Twelfth Amendment". The Interactive Constitution. Philadelphia, Pennsylvania: The National Constitution Center. Retrieved July 18, 2018.
- Eighth Congress, Sess. 1, ch. 50, 2 Stat. 295 (March 26, 1804). United States Statutes at Large/Volume 2/8th Congress/1st Session/Chapter 50. Wikisource.
- "Vice President of the United States (President of the Senate)". Washington, D.C.: Office of the Secretary, United States Senate. Retrieved July 4, 2018.
- Crapol, Edward P. (2006). John Tyler: the accidental president. University of North Carolina Press. pp. 208–209. ISBN 978-0-8078-3041-3.
- Feerick, John D.; Freund, Paul A. (1965). From Failing Hands: the Story of Presidential Succession. New York City: Fordham University Press. p. 97. LCCN 65-14917.
- Feinman, Ronald L. (March 22, 2016). "These 11 People Came Close to Being President of the United States …". Seattle, Washington: History News Network. Retrieved July 4, 2018.
- Amar, Akhil Reed; Amar, Vikram David (1995) [Stanford Law Review. 48 (1): 113–139]. "Is the Presidential Succession Law Constitutional?". Faculty Scholarship Series. Paper 991. Yale Law School Legal Scholarship Repository. Retrieved July 11, 2018.
- Feerick, John D.; Freund, Paul A. (1965). From Failing Hands: the Story of Presidential Succession. New York City: Fordham University Press. pp. 140–146. LCCN 65-14917.
- Lewis, Charlton Thomas; Willsey, Joseph H. (1895). Harper's Book of Facts: a Classified History of the World; Embracing Science, Literature, and Art. New York: Harper & Brothers. p. 884. LCCN 01020386. Retrieved April 24, 2011.
- Hamlin, Charles S. (1905). "The Presidential Succession Act of 1886". Harvard Law Review. 18: 182–195. Retrieved July 14, 2018 – via Internet Archive.
- Arthur S. Link and William M. Leary Jr., "Election of 1916" in Israel, Fred L., Arthur M. Schlesinger, and Gil Troy. 2012. History of American Presidential Elections, 1789-2008. New York: Facts on File, Inc, 2012. eBook Collection (EBSCOhost), EBSCOhost (accessed August 27, 2017), p. 929.
- Jackson, Michael W. (October 22, 2013). "If Woodrow Wilson had lost the 1916 election". Political theory and practice: Thinking and doing. The University of Sydney, Australia. Retrieved June 20, 2018.
- Brewer, F. (1945). . Retrieved July 12, 2018.
If the Republican ticket had been elected in 1940, the plan of succession adopted in 1886 would probably have come into operation for the first time in 1944. Charles McNary, Republican candidate for Vice President, died on Feb. 25, 1944, With the death of Wendell Willkie, on Oct. 8, his Secretary of State would have been sworn in for the remainder of the term ending on Jan. 20, 1945.. Editorial research reports 1945 (Vol. II). Washington, D.C.: CQ Press
- Feinman, Ronald L. (March 1, 2016). "The Election of 1940 and the Might-Have-Been that Makes One Shudder". History News Network. Retrieved July 13, 2018.
- Feerick, John D.; Freund, Paul A. (1965). From Failing Hands: the Story of Presidential Succession. New York City: Fordham University Press. pp. 206–210. LCCN 65-14917.
- Truman, Harry S. (June 19, 1945). "Special Message to the Congress on the Succession to the Presidency". Online by Gerhard Peters and John T. Woolley, The American Presidency Project. Retrieved June 18, 2018.
- Lord, Debbie (June 18, 2018). "A president resigns, dies or is impeached: What is the line of succession?". wftv.com. Cox Media Group. Retrieved July 9, 2018.
- Neale, Thomas H. (June 29, 2005). "Presidential Succession: An Overview with Analysis of Legislation Proposed in the 109th Congress" (PDF). CRS Report for Congress. Washington, D.C.: Congressional Research Service, the Library of Congress. Retrieved July 9, 2018.
- "The Continuity of the Presidency: The Second Report of the Continuity of Government Commission" (PDF). Preserving Our Institutions. Washington, D.C.: Continuity of Government Commission. June 2009. p. 34. Archived from the original (PDF) on May 23, 2012. Retrieved May 23, 2012 – via WebCite.
- "Second Fordham University School of Law Clinic on Presidential Succession, Fifty Years After the Twenty-Fifth Amendment: Recommendations for Improving the Presidential Succession System". Fordham Law Review. 86 (3): 917–1025. 2017. Retrieved July 10, 2018.
- "A Look Back ... The National Security Act of 1947". News & Information. Langley, Virginia: Central Intelligence Agency. July 31, 2008. Retrieved July 9, 2018.
- "2016 US Code Title 3 – The President Chapter 1 – Presidential Elections and Vacancies Sec. 19 – Vacancy in offices of both President and Vice President; officers eligible to act". US Law. Mountain View, California: Justia. Retrieved July 8, 2018.
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- Fools, Drunkards, & Presidential Succession