Vice-President Richard M. Nixon has declined the Law Forum's invitation to discuss "The Role of the Vice-Presidency" with Henry A. Wallace on March 30, Kenneth A. Korb '53, of the Forum board of directors announced yesterday.

Nixon said that previous commitments would prevent him from attending. Mark DeWolfe Howe '28, professor of Law, will moderate the proposed debate between Wallace and a speaker still to be chosen.. A meeting of the Forum tonight will consider other speakers and send out an invitation.

Increased interest in the powers of the Vice-President since Eisenhower's heart attack prompted selection of the topic.