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Tax Collection and Management (Wales) Act 2016, Section 139 is up to date with all changes known to be in force on or before 02 January 2026. There are changes that may be brought into force at a future date. Changes that have been made appear in the content and are referenced with annotations.![]()
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(1)WRA may reduce a penalty payable under this Chapter where a person makes a qualifying disclosure.
(2)A “qualifying disclosure” means disclosure of—
(a)an inaccuracy which is relevant to a person's liability to a [F1WRA-collected] tax,
(b)a supply of false information, or withholding of information, which is relevant to a person's liability to a [F1WRA-collected] tax, F2...
(c)a failure to disclose an under-assessment in respect of a [F1WRA-collected] tax,
[F3(d)an inaccuracy which is relevant to a person’s entitlement to a tax credit or liability to pay an amount in respect of a tax credit,
(e)a supply of false information, or withholding of information, which is relevant to a person’s entitlement to a tax credit or liability to pay an amount in respect of a tax credit, or
(f)a failure to disclose an under-assessment in respect of a person’s liability to pay an amount in respect of a tax credit.]
(3)A person makes a qualifying disclosure by—
(a)telling WRA about it,
(b)giving WRA reasonable help in quantifying—
(i)the inaccuracy,
(ii)the inaccuracy attributable to the supply of false information or withholding of information, or
(iii)the under-assessment, and
(c)allowing WRA access to records for the purpose of ensuring that—
(i)the inaccuracy,
(ii)the inaccuracy attributable to the supply of false information or withholding of information, or
(iii)the under-assessment,
is fully corrected.
(4)In reducing a penalty under this section, WRA may take account of—
(a)whether the disclosure was prompted or unprompted, and
(b)the quality of the disclosure.
(5)Disclosure of relevant information—
(a)is “unprompted” if made at a time when the person making the disclosure has no reason to believe that WRA has discovered or is about to discover the inaccuracy, the supply of false information or withholding of information, or the under-assessment, and
(b)otherwise, is “prompted”.
(6)“Quality”, in relation to disclosure, includes timing, nature and extent.
Textual Amendments
F1Word in Act substituted (19.9.2025) by Visitor Accommodation (Register and Levy) Etc. (Wales) Act 2025 (asc 5), s. 67(1), Sch. 2 para. 21
F2Word in s. 139(2) omitted (1.4.2018) by virtue of The Landfill Disposals Tax (Administration) (Wales) Regulations 2018 (S.I. 2018/101), reg. 1(2), Sch. para. 34(a)
F3S. 139(2)(d)-(f) inserted (1.4.2018) by The Landfill Disposals Tax (Administration) (Wales) Regulations 2018 (S.I. 2018/101), reg. 1(2), Sch. para. 34(b)
Commencement Information
I1S. 139 in force at 1.4.2018 by S.I. 2018/33, art. 3
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