(1) Every person who has any radioactive material under his control shall keep a record sufficient to ensure that at all times an efficient check is maintained on the quantity, nature, and location of the radioactive material.
(2) In addition to the obligation imposed by subclause (1), every purchaser of radioactive materials shall keep full and accurate records specifying the purposes to which those materials are put, which records shall at all times be open to inspection by any person authorised by the Director-General in that behalf.
(3) Every person who keeps a record under subclause (2) shall retain that record in his possession for a minimum period of 10 years unless the Director-General approves its earlier disposal.