Sections
Section 155Penalty notices
- (a)has failed or is failing as described in section 149(2), (3), (4) [F2, (5) or (5A)], F3...
- (b)
- (c)has failed to comply with a duty imposed on the person by section 146A(6).]
the [F1Commission] may, by written notice (a “penalty notice”), require the person to pay to the [F1Commission] an amount in sterling specified in the notice.
- (a)
- (b)to the extent that the notice concerns another matter, the matters listed in subsection (3).
- (a)the nature, gravity and duration of the failure;
- (b)the intentional or negligent character of the failure;
- (c)any action taken by the controller or processor to mitigate the damage or distress suffered by data subjects;
- (d)the degree of responsibility of the controller or processor, taking into account technical and organisational measures implemented by the controller or processor in accordance with section 57, 66, 103 or 107;
- (e)any relevant previous failures by the controller or processor;
- (f)the degree of co-operation with the [F7Commission], in order to remedy the failure and mitigate the possible adverse effects of the failure;
- (g)the categories of personal data affected by the failure;
- (h)
- (i)the extent to which the controller or processor has complied with previous enforcement notices or penalty notices;
- (j)adherence to approved codes of conduct or certification mechanisms;
- (k)any other aggravating or mitigating factor applicable to the case, including financial benefits gained, or losses avoided, as a result of the failure (whether directly or indirectly);
- (l)whether the penalty would be effective, proportionate and dissuasive.
- (a)confer power on the [F10Commission] to give a penalty notice in respect of other failures to comply with the data protection legislation, and
- (b)provide for the maximum penalty that may be imposed in relation to such failures to be either the standard maximum amount or the higher maximum amount.
- (a)may make provision about the giving of penalty notices in respect of the failure,
- (b)may amend this section and sections 156 to 158, and
- (c)are subject to the affirmative resolution procedure.
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. 155(1)(2) 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. 155(1)(a) substituted (19.6.2026) by Data (Use and Access) Act 2025 (c. 18), s. 142(1), Sch. 10 para. 17; S.I. 2026/82, reg. 3(b) (with reg. 7)
- F3 Word in s. 155(1)(a) omitted (5.2.2026) by virtue of Data (Use and Access) Act 2025 (c. 18), ss. 98(4)(a), 142(1); S.I. 2026/82, reg. 2(q)
- F4 Words in s. 155(1)(b) inserted (5.2.2026) by Data (Use and Access) Act 2025 (c. 18), ss. 100(4), 142(1); S.I. 2026/82, reg. 2(s)
- F5 S. 155(1)(c) and word inserted (5.2.2026) by Data (Use and Access) Act 2025 (c. 18), ss. 98(4)(b), 142(1); S.I. 2026/82, reg. 2(q)
- F6 Words in s. 155(2)(a) substituted (31.12.2020) by The Data Protection, Privacy and Electronic Communications (Amendments etc) (EU Exit) Regulations 2019 (S.I. 2019/419), reg. 1(2), Sch. 2 para. 63 (with reg. 5); 2020 c. 1, Sch. 5 para. 1(1)
- F7 Word in s. 155(3)(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(2)(3); S.I. 2026/1015, reg. 2(c)
- F8 Word in s. 155(3)(h) 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)
- F9 Word in s. 155(5) 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)
- F10 Word in s. 155(6)(a) 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)
Commencement Information
- I1 S. 155 in force at Royal Assent for specified purposes, see s. 212(2)(f)
- I2 S. 155 in force at 25.5.2018 in so far as not already in force by S.I. 2018/625, reg. 2(1)(f)
https://dpa2018.digiphile.law/article/article-155.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.