Another industrial strike could be on the cards - but this time from public service workers

Four-thousand PSA members from Ministry of Business, Innovation and Employment and Inland Revenue will vote today on whether to stage two two-hour stoppages in July.

Union Secretary Glenn Barclay says staff are getting frustrated and fed-up over pay negotiations with the two agencies.

He says their pay rates aren't keeping up with the cost of living.

Glenn Barclay says the increases over the last 9 to 10 years are the lowest in the country.

He says a decision will be announced in a few days.