NEW YORK (AP) — CNN says it will allow Vice President Joe Biden to participate in the first Democratic presidential primary debate even if he decides that day to be a candidate.

The network released its criteria for the Oct. 13 debate on Monday. Since Biden has achieved an average of one percent support in three polls — even though he isn't a declared candidate — CNN said he needs only to file the necessary paperwork or say he will that day to be in the debate.

Hillary Clinton, Bernie Sanders, Lincoln Chafee, Martin O'Malley and Jim Webb have already been invited. The Las Vegas debate will be moderated by Anderson Cooper. Dana Bash and Don Lemon. CNN en Espanol anchor Juan Carlos Lopez also will question the candidates.

(Story by: The Associated Press)