93(1)The Inland Revenue may by notice require a person to provide them with information—U.K.
(a)which they reasonably require for the performance of their functions under the SIP code, and
(b)which the person to whom the notice is addressed has or can reasonably obtain.
(2)The power conferred by this paragraph extends, in particular, to—
(a)information to enable the Inland Revenue—
(i)to decide whether to approve a SIP or to withdraw an approval already given, or
(ii)to determine the liability to tax, including capital gains tax, of any person who has participated in a plan, and
(b)information about the administration of a plan and any proposed alteration of the terms of a plan.
(3)The notice must require the information to be provided within a specified period, which must not end earlier than 3 months after the date when the notice is given.