Committee chairman voting

[Guest Jason]

As I understand it, under Robert's Rules the chairman of a committee would not be able to vote in committee proceedings unless his/her vote will affect the outcome of the vote. This is due to the fact that the committee chairman would be the presiding officer of official committee proceedings. 1) is this correct? 2) if so, is it sufficient to simply amend the by-laws stating that each committee chairman should have a vote?

[Chris Harrison]

RONR p. 483 says:

In a standing or special committee - unless it is so large that it can function best in the manner of a full-scale assembly - the same informalities and modifications of the regular rules of parliamentary procedure generally prevail as are listed for small boards on pages 470-71; also, the rules governing the motion to Reconsider are modified as stated on pages 318-19. In committees, the chairman not only has the right to make and debate motions, but he is usually the most active participant in the discussions and work of the committee.

...and pp. 470-471 says that the Chair participates fully.