The employers remain confident that they have an almost watertight case in restricting chief officers to the same increase as chief executives and principal officers agreed to at the end of last year.
But should ACAS decide that chief officers deserve special treatment, it could have a knock-on effect on deals settled last year.
Chief executives warned, when they agreed to the two-year 4.3% offer, that they would want their settlement looked at again should ACAS decide to award chief officers extra (LGC, 18 November).
The employers will also point to affordability. 'Since the negotiations last year we have had details of the worst ever financial settlement for local government,' said Stephen Bubb, assistant secretary of the Association of Metropolitan Authorities.