.
He is always required to make an annual report, and in many societies he also makes a quarterly report which may be in the form given below.
.
Thus, in a case where a two-thirds vote is necessary, and his vote thrown with the minority would prevent the adoption of the question, he can cast his vote; so, also, he can vote with the minority when it will produce a tie vote and thus cause the motion to fail; but he cannot vote twice, first to make a tie, and then to give the casting vote.