28.—(1) Every registration of premises in a register shall (unless sooner terminated under this Act) continue in force until the next following 31st day of December and shall then terminate unless it is renewed under this Act.
(2) Save as is otherwise provided by this Act, the registration (whether original or by way of renewal) of any premises in a register may be renewed as from the 31st day of December on which, but for such renewal, it would terminate.
(3) Whenever the registration of any premises in a register is renewed under this Act, the registration of such premises in such register shall (unless sooner terminated under this Act) continue until the 31st day of December next after the day on which such renewal commences and shall then terminate unless it is further renewed under this Act.