If you’re a member of UNISON’s Affiliated Political Fund, then you’re eligible to vote in Labour’s forthcoming leadership election – and, for those in London, the election for a London mayoral candidate.

However, to activate your vote you’ll need to sign up as a registered Labour Party supporter.

Sign up as a registered Labour Party supporter here.

Update: UNISON has announced it will nominate Jeremy Corbyn in the Labour leadership election with Yvette Cooper as second choice. Read the press release.