This kind of voting allows a senator to cast a vote in committee for an absent senator
Besides the joint standing committees, the Legislature has two other types of ... 
cast a vote, except during a meeting of the committee, and proxy votes are not ... 
a member to request any other member to vote for him/her during any absence,... [DOC] [TLE] Senate Committee Rules in the 114th Congress: Key Provisions [PAR] Feb 8, 2016 ... Report RS22952, Proxy Voting and Polling in Senate Committee, by Christopher 
M. Davis.