Section 8
SEC. 8. Said grantees shall file their written acceptance of this franchise with the Secretary of Commerce and Communications within one hundred and twenty days from the date when they obtained the certificate required by section one of this Act, and shall commence work under the supervision and subject to the approval of the electrical engineer of the Public Utility Commission, within six months' time from and after the date of filing such acceptance, unless prevented by act of God or force majeure, usurped or military power, martial law, riot or civil commotion or other inevitable cause, and shall complete the system and have the same in operation within eighteen months from the date of such acceptance, and shall thereafter maintain a first-class electric light, heat, and power service: Provided, That in consideration of the franchise hereby granted, the grantees, their successors or assigns, shall pay quarterly into the municipal treasury of Masbate one per centum of the gross earnings of their business during the first twenty years, and two per centum during the remaining thirty years of the life of this franchise.