The award said to have been disobeyed is that governing the employment of waterside workers, and the breaches alleged were that the appellants, being employed by the respondent, refused to carry out the reasonable instructions given on behalf of the respondent as to the quantity of cargo to be placed in slings. The men were loading ingots of lead into a ship called the s.s. Westmoreland on 10th November 1937 and refused to place more than thirty at a time in the ship's slings. It appears that for many years before September 1937 it had been customary to make up slings of thirty-five similar ingots. The work, however, is said to be regarded with disfavour by waterside workers and about that time a stand was taken by them, or some of them, for a reduction of the number of ingots to thirty, or perhaps for the increase of the number of men in a gang engaged in loading lead. A ship called the s.s. Cambridge was taking lead on board on 1st September 1937 and gangs of six men refused to place in the slings more than thirty ingots at a time. A board of reference was summoned pursuant to a provision contained in the award. It attended at the wharf and, upon the following day, deliberated and gave its decision. According to the record of its proceedings, the chairman said that the matter for the board's consideration was a claim by the Waterside Workers' Federation for extra men to handle the lead bars at the wharf where the s.s. Cambridge was loading. The chairman decided against this claim, stating it to be his opinion that the work was "not more unduly strenuous than hitherto", and that no attempt had been made by the employers in loading the ship unduly to harass the men. A board of reference is composed of an equal number of representatives of employers and of employees and an independent chairman, but, owing to the absence of an employers' representative from the meeting, the chairman's decision meant, strictly, that there was an equal division of opinion. The award provides that if workmen complain that through insufficiency of the number of men engaged they are subject to undue strain and the matter is not settled, it shall be referred to a board of reference; and that, pending the decision of the board, the men shall go on working as the employer directs. The board may, if it gives its decision before the job is finished, require that additional men shall be put on, and, in any case, if it decides that the number was insufficient, the men who were actually engaged are to receive for the work they have done a proportion of the wages which would have been payable to the additional men, had they been put on in the first instance, increased by a further ten per cent. It would seem that the board of reference summoned for the ship Cambridge conceived itself to be dealing with a claim under this provision. Notwithstanding the result of the reference over the s.s. Cambridge, a gang of six, of which the appellants were members, refused to load more than thirty ingots at a time into slings for the s.s. Westmoreland. Another board of reference was summoned and five days later at the conclusion of a meeting where all were present and the matter was again discussed, the chairman gave, so to speak, an interim direction or determination that the employers' instructions to handle thirty-five bars of lead at a time should be complied with and deferred his final decision for future cargoes until further materials were furnished. Needless to say, there was an equal division between employers' and employees' representatives as such. This determination or direction of the board of reference summoned for the s.s. Westmoreland, or of its chairman, if the direction be regarded as his, appears to me to be irrelevant to the proceedings against the appellants. It took place after their alleged offence was completed. A board of reference cannot be armed with authority to determine a question belonging to the judicial power of the Commonwealth, as, for instance, whether an offence or breach of an award was committed (See the Builders' Labourers' Case[5] and the Tramways Case [No. 2][6]). And it cannot, I think, be authorized conclusively to determine ex post facto that a given fact or matter of fact forming an ingredient in an offence occurred or existed. There is no provision making the board's opinion admissible as evidentiary of any matters to which it is directed. In any case, the board's decision on that occasion appears to amount only to an ad interim direction. I think, therefore, that the proceedings of the board of reference summoned in relation to the s.s. Westmoreland should be disregarded for the purpose of deciding whether the charge against the appellants was substantiated.