A Presidential Succession law is passed in the USA, providing for
an organised succession to the presidency in the event of the
deaths of both the President and the Vice-President.
Citation:
Editors. "Presidential Succession law in USA".
The Literary Encyclopedia. First published 30 December 2011
[http://www.litencyc.com/php/stopics.php?rec=true&UID=18941, accessed 25 May 2013.]