[Duty of HMRC to notify persons of reference numberU.K.
22A(1)If a reference number is allocated in a case within paragraph 22(2), HMRC must notify the following of the number—U.K.
(a)the person who has complied, or purported to comply, with paragraph 11(1), 12(1), 17(2) or 18(2), and
(b)where the person has complied, or purported to comply, with paragraph 11(1) or 12(1), any other person—
(i)who is a promoter in relation to the proposal (or arrangements implementing it) or the arrangements (or a proposal implemented by them), and
(ii)whose identity and address have been notified to HMRC by the person who complied, or purported to comply, with paragraph 11(1) or 12(1).
(2)If a reference number is allocated in a case within paragraph 22(3), HMRC must notify the following of the number—
(a)any person who HMRC reasonably suspect to be, or to have been, a promoter in relation to the arrangements or the proposed arrangements, and
(b)any other person who HMRC reasonably suspect to be, or to have been, involved in the supply of the arrangements or the proposed arrangements.
(3)The duty in sub-paragraph (2) applies irrespective of whether the notice under paragraph 21A as a result of which the reference number was allocated has been issued to the person concerned.]