Mass. Gen. Laws ch. 53, § 85: Tie vote for elective office; proceedings

Section 85. If a majority of caucus officers is not elected, or there is a tie vote for candidates for an elective office, the caucus shall at once proceed to another ballot unless some one present entitled to vote objects; in which case the caucus shall adjourn to any subsequent day. The hour and place shall, if practicable, be the same as that named in the call.