In the letter, she added: “It is with regret that I write to say that unless our next meeting is formal pay negotiations, beginning within the next five days, we will be announcing the dates and locations of our December strike action.”
Article source: https://www.huffingtonpost.co.uk/entry/nurses-issue-government-ultimatum-over-pay-or-risk-strike-action_uk_63768cd2e4b0184e84e03302