"United Co-operatives members have given their overwhelming support to the proposal to amalgamate with the Co-operative Group. Over 91 per cent of United members voting at the society’s 21 members’ meetings held over the past two weeks backed the merger plan, with the majority in favour comfortably exceeding the two-thirds vote required for the deal to proceed." - Co-op News 30th April 2007
Just the confirmatory vote by United's members at the meetings May 14th–22nd