The earlier case between the same parties, which was reported [1] , contains a statement of our reasons for thinking that a demand of the character in question in that case was not a dispute as to an industrial matter within the meaning of the Act and that case is of some assistance in solving the question whether the award now in question was validly made. The resolution of this question requires some examination of the statutory provision that "if no agreement between the parties as to an industrial dispute is arrived at, the Commission shall, subject to this Act, determine the dispute". What I understand that provision to mean is that if employers and an organization of employees are in dispute as to any matter comprised in the definition of "industrial matters" the Commission, in its capacity as arbitrator, may make an award prescribing, in relation to that matter, an appropriate rule of conduct to be observed as between employer and employee. But this, it seems to me, is just what the award under attack does not do. It is true that the award stipulates that an employee shall not be required to drive a bus without the assistance of a conductor and it seems that if the award stopped at that point it would be such a prescription. But the award does not stop there; it is not to affect the right of an employer "to require an employee to drive a bus without the assistance of a conductor at a time when and in a locality where and in circumstances under which buses were so driven before the date" of the award. The problem cannot, in my view, be solved by saying that an express prohibition would constitute a valid prescription and, therefore, a valid award, and that the subsequent relaxation of the prohibition in the manner indicated cannot affect its validity. The questions which must be asked are what is the substance of the award and how does it operate in relation to some "industrial matter" as defined. It was conceded by counsel for the respondent - and in my view rightly conceded - that there would be no difference in substance between the award now in question and an award which provided that an employee should not be required to drive a bus without the assistance of a conductor at any time when or in any locality or under any circumstances where an employee is not at present required to drive without the assistance of the conductor. This, in my view, is the substance of the award in question and it was clearly invalid. So, also, would an award be, in the present circumstances, if it were made in terms prohibiting the operation of one-man buses, unless the driver of the bus was paid a special rate of wages, for the log did not give rise to a dispute concerning what wages should be paid to one-man bus drivers; the dispute was simply that an employee should not be required to perform these duties at all. Perhaps, it is unnecessary to add that an award prohibiting the operation of one-man buses unless a condition was observed which had no bearing on the employer/employee relationship would also be invalid because it would not be concerned with any industrial matter in dispute. It should be further pointed out that no claim had been made concerning the conditions under which employees might be required to perform these duties; it was, I reiterate, simply a claim that an employee should not be required to perform these duties and, of course, this was the only claim which the prosecutor had before it for consideration and the only claim which had been rejected. It may be, perhaps - though the point was not argued and need not, in the circumstances of the case, be considered - that within the ambit of the dispute, an award might have been made prescribing the physical conditions under which one-man buses might be operated but this is not what the award did. It simply left the employer free to operate one-man buses "at a time when or in a locality where and in circumstances under which" (whatever that expression may mean) buses were so driven before the date of the award and denied the right to operate one-man buses where and when and in circumstances in which they had not theretofore been operated and, simply, on the ground that they had not been so operated. Consequently, for example, a change in or an extension of any particular route or an alteration of the timetable in any particular case would bring the prohibition into operation and it can be seen clearly enough that its operation is not conditioned, and was not intended to be conditioned, upon any circumstance concerned with the relations inter se of the employers bound by the award and their employees. In other words, under the award as made, it permitted the operation in some cases of one-man buses and, in other cases, it prohibited such operation. But the distinguishing criteria were not, in any way, related to any matter or thing affecting or relating to the work to be performed. It seems to me - and this view is confirmed by a reading of the transcript - that what the Commissioner did, and intended to do, was simply to settle a dispute that no further one-man buses should be introduced which, according to our view in the case between the said parties, reported [1] , was held not to be a dispute as to an industrial matter.