(1) On an application made to it by the CMA or, in Scotland, the procurator fiscal, the appropriate body may issue a warrant if it is satisfied that there are reasonable grounds for believing -

(a) that there are on or accessible from any premises documents which the CMA has power under section 193 to require to be produced for the purposes of an investigation; and

(b) that-

(i) a person has failed to comply with a requirement under that section to produce the documents;

(ii) it is not practicable to serve a notice under that section in relation to them; or

(iii) the service of such a notice in relation to them might seriously prejudice the investigation.

(1A) In subsection (1), "appropriate body" means -

(a) in England and Wales and Northern Ireland, the High Court or the Competition Appeal Tribunal;

(b) in Scotland, the sheriff.