# Finance Act 2026, Paragraph 19: Time limits and treatment of penalties

Extent: E+W+S+N.I.

(1) An assessment of a penalty under paragraph 7, 9, 10, 11 or 12 must be made within the period of 12 months beginning with the date on which the person became liable to the penalty.
(2) An assessment of a penalty under paragraph 8 or 13 must be made—
(a) within the period of 12 months beginning with the date on which the inaccuracy, incompleteness or failure first came to the attention of an officer of Revenue and Customs, and
(b) within the period of 6 years beginning with the date on which the person became liable to the penalty.
(3) A penalty assessed under paragraph 18—
(a) is due and payable at the end of the period of 30 days beginning with the day on which the notice of assessment is issued, and
(b) is, subject to paragraph (a), to be treated for all purposes as if it were tax charged in an assessment and due and payable.

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Source: https://www.legislation.gov.uk/ukpga/2026/11/schedule/23/paragraph/19 (the official version)
Page: https://openlegislation.uk/finance-act-2026/schedule-23/paragraph-19
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.