It comes amid ongoing pay discussions with unions
The chair of the Public Services Commission says she doesn't think it's helpful to discuss pay deals publicly.
It's as the PSC and Prospect and Unite unions continue lengthy discussions in a dispute over pay.
There have been calls for 'sliding scales' to be introduced, seeing those on more money getting a smaller salary increase compared to those getting less.
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But Kate Lord-Brennan says there are sensitivities around negotiations that need to be remembered: