Subject to the provisions of this section, as from the appointed day no person shall, except in accordance with an authorisation granted in that behalf under this section, accumulate (with a view to the subsequent disposal thereof) any radioactive waste on any premises which are used for the purposes of an undertaking carried on by him, or cause or permit any radioactive waste to be so accumulated, if (in any such case) he knows or has reasonable grounds for believing it to be radioactive waste.

Where the disposal of any radioactive waste has been authorised under the last preceding section, and in accordance with that authorisation the waste is required or permitted to be accumulated with a view to the subsequent disposal thereof, no further authorisation under this section shall be required to enable the waste to be accumulated in accordance with the authorisation granted under the last preceding section.

The provisions of subsections (4) and (5) of the last preceding section shall apply for the purposes of this section, as if in those provisions any reference to subsection (1) or subsection (3) of that section were a reference to subsection (1) of this section, and any reference to disposal were a reference to accumulation.