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).
United States Constitution
The Constitution has twenty-seven amendments. Structurally, the Constitution's original text and all prior amendments remain untouched. The precedent for this practice was set in 1789, when Congress considered and proposed the first several Constitutional amendments. Among these, Amendments 1–10 are collectively known as the Bill of Rights, and Amendments 13–15 are known as the Reconstruction Amendments. Excluding the Twenty-seventh Amendment, which was pending before the states for , the longest pending amendment that was successfully ratified was the Twenty-second Amendment, which took . The Twenty-sixth Amendment was ratified in the shortest time, days. The average ratification time for the first twenty-six amendments was 1 year, 252 days, for all twenty-seven, 9 years, 48 days.