8.—(1) An officer of Revenue and Customs must give notice of a requirement for security to each person from whom security is required and the notice must specify—
(a)the value of the security to be given,
(b)the manner in which the security is to be given,
(c)the date on or before which security is to be given, and
(d)the period of time for which security is required.
(2) In a case which falls within regulation 7(2)(b), the notice must include, or be accompanied by, the names of every other person from whom security is required.
(3) The notice may contain such other information as the officer considers necessary.
(4) No person shall be treated as having been required to provide security unless HMRC has given notice in accordance with this regulation and regulation 9.