The 20th amendment is in sections. The first section is all about the President and Vice President. The term of the President and Vice President end at noon on the 20th day of January.
The seconed section is all about the Congress. The Congress will assemble at least every year. The meeting will take place at noon on the 3rd of January. Unless they change the date by law.
The therd section is about the Vice President and how, if the President dies before his terms up the Vice President will take his place. If a President is not elected before the time fixed for the beginning of his term. the vice President will act as President until a president is elected.
This Amendment was Passed by congress March 2 1932 and was Ratified January 23 1933