The Act established the Melbourne Tramways Trust (MTT), which was made up of the 12 municipalities that the MTOC system would serve. The MTT was responsible for the construction of tracks and engine house, while the MTOC built the depots, offices and arranged for the delivery or construction of the rolling stock. The MTT granted a lease to operate the system until 1 July 1916 to the MTOC, with the MTOC paying 4.5% interest on the debts incurred by the MTT in building the system.