10. The prosecutor's case appears to accept, in accordance with earlier decisions of this Court, that s. 50 of the Conciliation and Arbitration Act 1904 (Cth), as amended, confers power on the Commission by award to give power to appoint a Board of Reference and to assign to it the function of "allowing, approving, fixing, determining or dealing with . . . a matter or thing which, under the award, may from time to time require to be allowed, approved, fixed, determined or dealt with by the Board". In essence the prosecutor submits that the power cannot be exercised so as to enable the Board to exercise the judicial power of the Commonwealth (see R. v. Darling Island Stevedoring and Lighterage Co. Ltd.; Ex parte Halliday and Sullivan [1938] HCA 44; (1938) 60 CLR 601, esp at 620 ; The Builders' Labourers' Case (1914) [1914] HCA 32; 18 CLR 224, at pp 236, 252, 257, [1914] HCA 58; 272 ; The Tramways Case (No. 2) (1914) 19 CLR 43, at pp 82, 135, 163 ) or so as to enable the Board to settle an industrial dispute which does not extend beyond the limits of a single State. (at p625)