A personal grievance case brought by eight Air NZ pilots, removed from captaining Boeing 747-400s after their 60th birthdays, is set to be heard.

Unionised staff at the Warehouse plan to hand out complaint cards to customers to pressure the company into hiring more staff.

The Ministry of Justice is "extremely disappointed" at the Public Service Association's (PSA) rejection of a pay offer.

Auckland bus drivers vote for a deal which will include an 11.5 per cent pay increase over the next three years.