In assessing the significance of a candidacy, the VBA may consider the results of major, reliable, nonpartisan public opinion polls, coverage by the news media as a recognized candidate, and “evidence of a significant and sustained level of financial support and receipt from a significant number of contributors.”

Walker noted that bar association debates have on occasion featured more than two candidates.

Libertarian nominee Robert Sarvis said in a statement that the State Board of Elections has not yet confirmed that he has qualified for the ballot.

“For that reason alone, I can understand not yet receiving a debate invitation,” he said.

“But once I am officially on the ballot, there is no argument for keeping me out of the debates. It would be outrageous if this year’s debate hosts insult the 145,000 Virginians who voted for me last year (for governor) and ignore the millions more who want to hear a substantive debate.”