Twenty-second Amendment to the United States Constitution
As worded, the primary focus of the 22nd Amendment is on limiting individuals twice elected to the presidency from being elected again. Due to this, several issues could be raised regarding the amendment's meaning and application, especially in relation to the 12th Amendment, ratified in 1804, which states, "But no person constitutionally ineligible to the office of President shall be eligible to that of Vice-President of the United States". While it is clear that under the 12th Amendment the original constitutional qualifications of age, citizenship, and residency apply to both the president and vice president, it is unclear whether someone who is ineligible to be elected president could be elected vice president. Because of this apparent ambiguity, there may be a loophole in the 22nd Amendment whereby a two-term former-president could be elected vice president and then succeed to the presidency as a result of the incumbent's death, resignation, or removal from office (or even succeed to the presidency from some other stated office in the presidential line of succession).
Article Two of the United States Constitution
Section 1 of Article Two establishes the positions of the president and the vice president, and sets the term of both offices at four years. Section 1's Vesting Clause declares that the executive power of the federal government is vested in the president and, along with the Vesting Clauses of Article One and Article Three, establishes the separation of powers between the three branches of government. Section 1 also establishes the Electoral College, the body charged with electing the president and the vice president. Section 1 provides that each state chooses members of the Electoral College in a manner directed by each state's respective legislature, with the states granted electors equal to their combined representation in both houses of Congress. Section 1 lays out the procedures of the Electoral College and requires the House of Representatives to hold a contingent election to select the president if no individual wins a majority of the electoral vote. Section 1 also sets forth the eligibility requirements for the office of the president, provides procedures in case of a presidential vacancy, and requires the president to take an oath of office.