'Our members work tirelessly in the run-up to Christmas to provide an excellent service, and to try and force them to work at a time when they want to be with their family and friends is insulting. What sort of festive message is that?'The 12.30pm finish has been in place for decades. The public are used to it and employees deserve it. We have exhausted every single avenue to avoid industrial action, but the Post Office's dogmatic stance has left the union with no other option.'