This ballot requires a Special Majority Vote [2]. The TC roster currently lists 15 voting members. In order to pass, at least 10 members have to vote Yes and no more than 3 members may vote No.
[1] URI for the specification
http://docs.oasis-open.org/ubl/csd04-UBL-2.3/UBL-2.3.html
[2] http://www.oasis-open.org/committees/process-2010-07-28.php#dSpecialMajority |