This section applies if it appears to the Secretary of State that there are reasonable grounds for suspecting—
The Secretary of State may serve on that person a notice requiring him to produce the documents to an authorised officer.
The persons within this subsection are—
A notice under this section must specify or describe the documents to which it relates.
Subject to subsections (6) and (7), the notice may require those documents to be produced—
When specifying a time at or by which the documents must be produced, the notice must not require them to be produced otherwise than at a reasonable hour.
If the notice requires documents to be produced at once, it may only be served at a reasonable hour.
An authorised officer may, by agreement with the person served with a notice within subsection (6) or (7), vary the notice so as to extend the time for compliance with it.
Any notice under this section, and any variation of such a notice under subsection (8), must be in writing.
An individual is "accountable" for any documents if he has either day-to-day, or an overall, responsibility for the custody or control of the documents.