A massive public service strike has been confirmed.
The PSA says its attempts to broker a solution to next month's industrial dispute have failed, and more than 4000 members will walk off the job next month.
Advocates attended eleventh-hour meetings today at Inland Revenue and the Ministry of Business, Innovation and Employment - and say they were surprised at the employers' inflexibility.
National secretary Erin Polaczuk says bargaining teams were shocked and deeply disappointed at the employers' defiant take-it-or-leave-it attitude.
She says for union members striking is a last resort.