46(1)Where a person is liable to a penalty under paragraph 39(1)(b) or 44 an authorised officer may assess the amount due by way of a penalty.U.K.
(2)An assessment may not be made more than 12 months after evidence of facts sufficient to justify the making of the assessment first comes to the knowledge of HMRC.
(3)A notice of an assessment under sub-paragraph (1) stating—
(a)the date on which it is issued, and
(b)the time within which an appeal against the assessment may be made,
must be served on the person liable to the penalty.
(4)After the notice has been served the assessment may not be altered except in accordance with this paragraph or on appeal.
(5)If it is discovered by an authorised officer that the amount of a penalty assessed under this paragraph is or has become insufficient the officer may make an assessment in a further amount so that the penalty is set at the amount which, in the officer's opinion, is correct or appropriate.
(6)A penalty imposed by a decision under this paragraph—
(a)is due and payable at the end of the period of 30 days beginning with the date of the issue of the notice of the decision, and
(b)is to be treated for all purposes as if it were tax charged in an assessment and due and payable.
(7)In this paragraph “authorised officer” means an officer of Revenue and Customs authorised by HMRC for the purposes of this paragraph.
Commencement Information
I1Sch. 17 para. 46 in force at Royal Assent for specified purposes and at 1.1.2018 otherwise, see s. 66(4)