Twenty-second Amendment to the United States Constitution
Some argue that the 22nd Amendment and 12th Amendment bar any two-term president from later serving as vice president as well as from succeeding to the presidency from any point in the presidential line of succession. Others contend that the original intent of the 12th Amendment concerns qualification for "service" (age, residence, and citizenship), while the 22nd Amendment, concerns qualifications for "election", and thus (strictly applying the text) a former two-term president is still eligible to "serve" as vice president (neither amendment restricts the number of times an individual can be elected to the vice presidency), and then succeed to the presidency to serve out the balance of the term (though prohibited from running for election to an additional term).
Twenty-second Amendment to the United States Constitution
The House of Representatives took quick action, approving a proposed constitutional amendment (House Joint Resolution 27) setting a limit of two four-year terms for future presidents. Introduced by Earl C. Michener, the measure passed 285–121, with support from 47 Democrats, on February 6, 1947. Meanwhile, the Senate developed its own proposed amendment, which initially differed from the House proposal by requiring that the amendment be submitted to state ratifying conventions for ratification, rather than to the state legislatures, and by prohibiting any person who had served more than 365 days in each of two terms from further presidential service. Both these provisions were removed when the full Senate took up the bill, but a new provision was, however, added. Put forward by Robert A. Taft, it clarified procedures governing the number of times a vice president who succeeded to the presidency might be elected to the office. The amended proposal was passed 59–23, with 16 Democrats in favor, on March 12.