- Y Diweddaraf sydd Ar Gael (Diwygiedig) - Saesneg
- Y Diweddaraf sydd Ar Gael (Diwygiedig) - Cymraeg
- Gwreiddiol (Fel y'i Deddfwyd) - Saesneg
- Gwreiddiol (Fel y'i Deddfwyd) - Cymraeg
Tax Collection and Management (Wales) Act 2016, Section 58 is up to date with all changes known to be in force on or before 14 February 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.![]()
Revised legislation carried on this site may not be fully up to date. Changes and effects are recorded by our editorial team in lists which can be found in the ‘Changes to Legislation’ area. Where those effects have yet to be applied to the text of the legislation by the editorial team they are also listed alongside the legislation in the affected provisions. Use the ‘more’ link to open the changes and effects relevant to the provision you are viewing.
Whole provisions yet to be inserted into this Act (including any effects on those provisions):
(1)A WRA assessment—
(a)may be made only in the [F1four] cases specified in subsections [F2(2), (3)[F3, (3A) and (3B)]] , and
(b)may not be made in the circumstances specified in subsection (4).
(2)The first case is where the situation mentioned in section 54 or 55 was brought about carelessly or deliberately by—
(a)the taxpayer,
(b)a person acting on the taxpayer's behalf, or
(c)a person who was a partner in the same partnership as the taxpayer.
[F4(3)The second case is where—
(a)a tax return has been made,
(b)WRA has ceased to be entitled to issue a notice of enquiry into the return, or has completed its enquiries into it, and
(c)at the time when WRA ceased to be so entitled or completed those enquiries, it could not reasonably have been expected to be aware of the situation mentioned in section 54 or 55 on the basis of information made available to WRA before that time.]
[F5(3A)The third case is where WRA makes an adjustment under the general anti-avoidance rule (see Part 3A, in particular section 81E).]
[F6(3B)The fourth case is where WRA has come to the view that a situation described in section 55A has arisen.]
(4)No WRA assessment may be made [F7in the first or second case] if—
(a)the situation mentioned in section 54 or 55 is attributable to a mistake in [F8a tax return] as to the basis on which the [F9WRA-collected] tax liability ought to have been calculated, and
(b)the mistake occurred because the tax return was made on the basis prevailing, or in accordance with the practice generally prevailing, at the time it was made.
[F10(5)For the purpose of subsection (3)(c), information is regarded as made available to WRA if—
(a)it is contained in a tax return,
(b)it is contained in any documents produced or information provided to WRA for the purposes of an enquiry into any such return, or
(c)it is information the existence of which—
(i)could reasonably be expected to be inferred by WRA from information falling within paragraph (a) or (b), or
(ii)is notified in writing to WRA by the taxpayer or a person acting on the taxpayer’s behalf.]
Textual Amendments
F1Word in s. 58(1)(a) substituted (1.4.2018) by The Landfill Disposals Tax (Administration) (Wales) Regulations 2018 (S.I. 2018/101), reg. 1(2), Sch. para. 15(2)(a)
F2Words in s. 58(1)(a) substituted (1.4.2018) by Land Transaction Tax and Anti-avoidance of Devolved Taxes (Wales) Act 2017 (anaw 1), s. 81(2)(3), Sch. 23 para. 18(a)(ii); S.I. 2018/34, art. 3
F3Words in s. 58(1)(a) substituted (1.4.2018) by The Landfill Disposals Tax (Administration) (Wales) Regulations 2018 (S.I. 2018/101), reg. 1(2), Sch. para. 15(2)(b)
F4S. 58(3) substituted (1.4.2018) by Land Transaction Tax and Anti-avoidance of Devolved Taxes (Wales) Act 2017 (anaw 1), s. 81(2)(3), Sch. 23 para. 18(b); S.I. 2018/34, art. 3
F5S. 58(3A) inserted (1.4.2018) by Land Transaction Tax and Anti-avoidance of Devolved Taxes (Wales) Act 2017 (anaw 1), s. 81(2)(3), Sch. 23 para. 18(c); S.I. 2018/34, art. 3
F6S. 58(3B) inserted (1.4.2018) by The Landfill Disposals Tax (Administration) (Wales) Regulations 2018 (S.I. 2018/101), reg. 1(2), Sch. para. 15(3)
F7Words in s. 58(4) inserted (1.4.2018) by Land Transaction Tax and Anti-avoidance of Devolved Taxes (Wales) Act 2017 (anaw 1), s. 81(2)(3), Sch. 23 para. 18(d)(i); S.I. 2018/34, art. 3
F8Words in s. 58(4)(a) substituted (1.4.2018) by Land Transaction Tax and Anti-avoidance of Devolved Taxes (Wales) Act 2017 (anaw 1), s. 81(2)(3), Sch. 23 para. 18(d)(ii); S.I. 2018/34, art. 3
F9Word 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
F10S. 58(5) inserted (19.9.2025) by Visitor Accommodation (Register and Levy) Etc. (Wales) Act 2025 (asc 5), s. 67(1), Sch. 2 para. 33
Modifications etc. (not altering text)
C1S. 58 applied (with modifications) (1.4.2018) by Land Transaction Tax and Anti-avoidance of Devolved Taxes (Wales) Act 2017 (anaw 1), s. 81(2)(3), Sch. 7 para. 43(2); S.I. 2018/34, art. 3
Commencement Information
I1S. 58 in force at 1.4.2018 by S.I. 2018/33, art. 3
The Whole Act you have selected contains over 200 provisions and might take some time to download. You may also experience some issues with your browser, such as an alert box that a script is taking a long time to run.
Would you like to continue?
The Whole Act you have selected contains over 200 provisions and might take some time to download.
Would you like to continue?
The Whole Act without Schedules you have selected contains over 200 provisions and might take some time to download. You may also experience some issues with your browser, such as an alert box that a script is taking a long time to run.
Would you like to continue?
The Whole Act without Schedules you have selected contains over 200 provisions and might take some time to download.
Would you like to continue?
Y Ddeddf Gyfan you have selected contains over 200 provisions and might take some time to download. You may also experience some issues with your browser, such as an alert box that a script is taking a long time to run.
Would you like to continue?
Y Diweddaraf sydd Ar Gael (diwygiedig):Y fersiwn ddiweddaraf sydd ar gael o’r ddeddfwriaeth yn cynnwys newidiadau a wnaed gan ddeddfwriaeth ddilynol ac wedi eu gweithredu gan ein tîm golygyddol. Gellir gweld y newidiadau nad ydym wedi eu gweithredu i’r testun eto yn yr ardal ‘Newidiadau i Ddeddfwriaeth’. Dim ond yn Saesneg y mae’r fersiwn ddiwygiedig ar gael ar hyn o bryd.
Gwreiddiol (Fel y’i Deddfwyd neu y’i Gwnaed) - Saesneg: Mae'r wreiddiol Saesneg fersiwn y ddeddfwriaeth fel ag yr oedd pan gafodd ei deddfu neu eu gwneud. Ni wnaed unrhyw newidiadau i’r testun.
Gwreiddiol (Fel y’i Deddfwyd neu y’i Gwnaed)-Cymraeg:Y fersiwn Gymraeg wreiddiol o’r ddeddfwriaeth fel yr oedd yn sefyll pan gafodd ei deddfu neu ei gwneud. Ni wnaed unrhyw newidiadau i’r testun.
Rhychwant ddaearyddol: Indicates the geographical area that this provision applies to. For further information see ‘Frequently Asked Questions’.
Dangos Llinell Amser Newidiadau: See how this legislation has or could change over time. Turning this feature on will show extra navigation options to go to these specific points in time. Return to the latest available version by using the controls above in the What Version box.
Text created by the Welsh Government department responsible for the subject matter of the Act to explain what the Act sets out to achieve and to make the Act accessible to readers who are not legally qualified. Explanatory Notes accompany all Acts of the National Assembly for Wales.
Gallwch wneud defnydd o ddogfennau atodol hanfodol a gwybodaeth ar gyfer yr eitem ddeddfwriaeth o’r tab hwn. Yn ddibynnol ar yr eitem ddeddfwriaeth sydd i’w gweld, gallai hyn gynnwys:
This timeline shows the different points in time where a change occurred. The dates will coincide with the earliest date on which the change (e.g an insertion, a repeal or a substitution) that was applied came into force. The first date in the timeline will usually be the earliest date when the provision came into force. In some cases the first date is 01/02/1991 (or for Northern Ireland legislation 01/01/2006). This date is our basedate. No versions before this date are available. For further information see the Editorial Practice Guide and Glossary under Help.
Defnyddiwch y ddewislen hon i agor dogfennau hanfodol sy’n cyd-fynd â’r ddeddfwriaeth a gwybodaeth am yr eitem hon o ddeddfwriaeth. Gan ddibynnu ar yr eitem o ddeddfwriaeth sy’n cael ei gweld gall hyn gynnwys:
liciwch ‘Gweld Mwy’ neu ddewis ‘Rhagor o Adnoddau’ am wybodaeth ychwanegol gan gynnwys