Accessus is a term applied to the voting in conclave for the election of a pope, by which a cardinal changes his vote and accedes to some other candidate. Accessus voting was first used in the papal conclave, 1455.[1] The procedure was likely adopted from the Roman Senate where an acceding Senator would physically move to join the proponents of a proposal.[2]

When the votes of the cardinals have been counted after the first balloting and the two-thirds majority has fallen to none of those voted for, at the following vote opportunity is granted for a cardinal to change his vote, by writing "Accedo domino Cardinali", mentioning one of those who have been voted for, but not the cardinal for whom he has already voted. If he should not wish to change his vote, the cardinal can vote "Nemini" ( "for no one" ). If these supplementary votes of accession, added to those a candidate has received, equal two-thirds of the total vote, then there is an election. If not, the ballots are burned, and the usual ballot takes place the next day.


  1. Rotberg, Robert I. 2001. Politics and political change. p. 62.
  2. Josep M. Colomer and Iain McLean. (1998). "Electing Popes: Approval Balloting and Qualified-Majority Rule". The Journal of Interdisciplinary History, Vol. 29, No. 1, pp. 1-22.

This article incorporates text from the entry Accessus in Catholic Encyclopedia of 1913, a publication now in the public

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