Sections
Section 146Assessment notices
- (a)permit [F2a member of the Commission or a member of its staff] to enter specified premises;
- (b)direct [F2a member of the Commission or a member of its staff] to documents on the premises that are of a specified description;
- (c)assist [F2a member of the Commission or a member of its staff] to view information of a specified description that is capable of being viewed using equipment on the premises;
- (d)
- (e)direct [F6a member of the Commission or a member of its staff] to equipment or other material on the premises which is of a specified description;
- (f)
- (g)provide [F9a member of the Commission or a member of its staff] with an explanation of such documents, information, equipment or material;
- (h)permit [F9a member of the Commission or a member of its staff] to observe the processing of personal data that takes place on the premises;
- (i)make available for interview by [F9a member of the Commission or a member of its staff] a specified number of people of a specified description who process personal data on behalf of the controller, not exceeding the number who are willing to be interviewed;
- (j)[F10 make arrangements for an approved person to prepare a report on a specified matter;
- (k)provide to the [F11Commission] a report prepared in pursuance of such arrangements.]
- (a)the preparation of the report;
- (b)the contents of the report;
- (c)the form in which the report is to be provided;
- (d)the date by which the report is to be completed.]
- (a)the consequences of failure to comply with it, and
- (b)the rights under sections 162 and 164 (appeals etc).
- (a)states that, in the [F14Commission's] opinion, it is necessary for the controller or processor to comply with a requirement in the notice urgently,
- (b)gives the [F14Commission's] reasons for reaching that opinion, and
- (c)does not meet the conditions in subsection (9)(a) to (d),
subsections (6) and (7) do not apply but the notice must not require the controller or processor to comply with the requirement before the end of the period of 7 days beginning when the notice is given.
- (a)states that, in the [F14Commission's] opinion, there are reasonable grounds for suspecting that a controller or processor has failed or is failing as described in section 149(2) or that an offence under this Act has been or is being committed,
- (b)indicates the nature of the suspected failure or offence,
- (c)does not specify domestic premises,
- (d)states that, in the [F14Commission's] opinion, it is necessary for the controller or processor to comply with a requirement in the notice in less than 7 days, and
- (e)gives the [F14Commission's] reasons for reaching that opinion,
subsections (6) and (7) do not apply.
- [F16“approved person”, in relation to a report, means a person approved to prepare the report in accordance with section 146A;]
- “domestic premises” means premises, or a part of premises, used as a dwelling;
- “specified” means specified in an assessment notice.
Amended text
This Section is shown as amended by the Data (Use and Access) Act 2025 (c. 18), among other instruments (see the annotations below) (commenced provisions as at 30 September 2026, ELI), as incorporated in the text in force on 30 September 2026 as published on legislation.gov.uk.
Annotations
Textual Amendments
- F1 Word in s. 146(1) substituted (30.9.2026) by The Data (Use and Access) Act 2025 (Consequential Amendments and Transitional Provision) Regulations 2026 (S.I. 2026/386), reg. 1(2), Sch. 2 para. 23(2)(3); S.I. 2026/1015, reg. 2(c)
- F2 Words in s. 146(2)(a)-(c) substituted (30.9.2026) by The Data (Use and Access) Act 2025 (Consequential Amendments and Transitional Provision) Regulations 2026 (S.I. 2026/386), reg. 1(2), Sch. 2 para. 23(8)(a)(i); S.I. 2026/1015, reg. 2(c)
- F3 Words in s. 146(2)(d) substituted (30.9.2026) by The Data (Use and Access) Act 2025 (Consequential Amendments and Transitional Provision) Regulations 2026 (S.I. 2026/386), reg. 1(2), Sch. 2 para. 23(8)(a)(ii)(aa); S.I. 2026/1015, reg. 2(c)
- F4 Words in s. 146(2)(d)(i) substituted (30.9.2026) by The Data (Use and Access) Act 2025 (Consequential Amendments and Transitional Provision) Regulations 2026 (S.I. 2026/386), reg. 1(2), Sch. 2 para. 23(8)(a)(ii)(bb); S.I. 2026/1015, reg. 2(c)
- F5 Words in s. 146(2)(d)(ii) substituted (30.9.2026) by The Data (Use and Access) Act 2025 (Consequential Amendments and Transitional Provision) Regulations 2026 (S.I. 2026/386), reg. 1(2), Sch. 2 para. 23(8)(a)(ii)(cc); S.I. 2026/1015, reg. 2(c)
- F6 Words in s. 146(2)(e) substituted (30.9.2026) by The Data (Use and Access) Act 2025 (Consequential Amendments and Transitional Provision) Regulations 2026 (S.I. 2026/386), reg. 1(2), Sch. 2 para. 23(8)(a)(iii); S.I. 2026/1015, reg. 2(c)
- F7 Words in s. 146(2)(f) substituted (30.9.2026) by The Data (Use and Access) Act 2025 (Consequential Amendments and Transitional Provision) Regulations 2026 (S.I. 2026/386), reg. 1(2), Sch. 2 para. 23(8)(a)(iv)(aa); S.I. 2026/1015, reg. 2(c)
- F8 Words in s. 146(2)(f) substituted (30.9.2026) by The Data (Use and Access) Act 2025 (Consequential Amendments and Transitional Provision) Regulations 2026 (S.I. 2026/386), reg. 1(2), Sch. 2 para. 23(8)(a)(iv)(bb); S.I. 2026/1015, reg. 2(c)
- F9 Words in s. 146(2)(g)-(i) substituted (30.9.2026) by The Data (Use and Access) Act 2025 (Consequential Amendments and Transitional Provision) Regulations 2026 (S.I. 2026/386), reg. 1(2), Sch. 2 para. 23(8)(a)(v); S.I. 2026/1015, reg. 2(c)
- F10 S. 146(2)(j)(k) inserted (5.2.2026) by Data (Use and Access) Act 2025 (c. 18), ss. 98(2)(a), 142(1); S.I. 2026/82, reg. 2(q)
- F11 Word in s. 146(2)(k) substituted (30.9.2026) by The Data (Use and Access) Act 2025 (Consequential Amendments and Transitional Provision) Regulations 2026 (S.I. 2026/386), reg. 1(2), Sch. 2 para. 23(2)(3); S.I. 2026/1015, reg. 2(c)
- F12 S. 146(3) omitted (30.9.2026) by virtue of The Data (Use and Access) Act 2025 (Consequential Amendments and Transitional Provision) Regulations 2026 (S.I. 2026/386), reg. 1(2), Sch. 2 para. 23(8)(b); S.I. 2026/1015, reg. 2(c)
- F13 S. 146(3A) inserted (5.2.2026) by Data (Use and Access) Act 2025 (c. 18), ss. 98(2)(b), 142(1); S.I. 2026/82, reg. 2(q)
- F14 Word in s. 146(8)-(11A) substituted (30.9.2026) by The Data (Use and Access) Act 2025 (Consequential Amendments and Transitional Provision) Regulations 2026 (S.I. 2026/386), reg. 1(2), Sch. 2 para. 23(2)(3); S.I. 2026/1015, reg. 2(c)
- F15 S. 146(11A) inserted (5.2.2026) by Data (Use and Access) Act 2025 (c. 18), ss. 98(2)(c), 142(1); S.I. 2026/82, reg. 2(q)
- F16 Words in s. 146(12) inserted (5.2.2026) by Data (Use and Access) Act 2025 (c. 18), ss. 98(2)(d), 142(1); S.I. 2026/82, reg. 2(q)
Commencement Information
- I1 S. 146 in force at 25.5.2018 by S.I. 2018/625, reg. 2(1)(f)
https://dpa2018.digiphile.law/article/article-146.html
Text as at 18 September 2026.
This is an unofficial convenience version of the Data Protection Act 2018. It is presented “as is” without guarantee of accuracy, completeness or reliability. See the source text for the official version. This site was last updated in September 2026.