s 9 Prohibition of use of mobile radioactive apparatus without registration.
(1) No person shall, for the purpose of any activities to which this section applies— (a) keep, use, lend or let on hire mobile radioactive apparatus of any description, or (b) cause or permit mobile radioactive apparatus of any description to be kept, used, lent or let on hire, unless he is registered under section 10 in respect of that apparatus or is exempted from registration under that section in respect of mobile radioactive apparatus of that description. (2) This section applies to activities involving the use of the apparatus concerned for— (a) testing, measuring or otherwise investigating any of the characteristics of substances or articles,or (b) releasing quantities of radioactive material into the environment or introducing such material into organisms.