"One must not overlook that the intention of the parties was that the relationship should be that of an independent contractor, and although the parties cannot by intention make a transaction into something which it is not, yet it is recognised that such intention is a factor for consideration in these cases."
"(a) a contract of employment"
"(b) any other contract…whereby the individual undertakes to do or perform personally any work or services for another party to the contract whose status is not by virtue of the contract that of a client or customer of any professional business undertaking carried on by the individual"