28(1)The regulations may confer powers on a person to whom this paragraph applies to—E+W+S+N.I.
(a)require the production of documents or the provision of information,
(b)question the officers of a company,
(c)enter premises with a warrant, or
(d)seize documents or records.
(2)The regulations must provide that the power in question may only be exercised where the person on whom it is conferred reasonably believes there has been a failure to comply with the requirements of a trading scheme.
(3)This paragraph applies to—
(a)a national authority,
(b)the administrator of the scheme, and
(c)such other person as may be specified in or determined in accordance with the regulations.