Data Protection Act 2018UK · 2018 c. 12
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Sections

Section 149Enforcement notices

(1) Where the [F1Commission] is satisfied that a person has failed, or is failing, as described in subsection (2), (3), (4) [F2, (5) or (5A)], the [F1Commission] may give the person a written notice (an “enforcement notice”) which requires the person—
  • (a)
    to take steps specified in the notice, or
  • (b)
    to refrain from taking steps specified in the notice,

or both (and see also sections 150 and 151).

(2) The first type of failure is where a controller or processor has failed, or is failing, to comply with any of the following—
  • (a)
    a provision of Chapter II of the [F3UK GDPR] or Chapter 2 of Part 3 or Chapter 2 of Part 4 of this Act (principles of processing);
  • (b)
    a provision of [F4or made under] Articles 12 to [F522D] of the [F6UK GDPR] or Part 3 or 4 of this Act conferring rights on a data subject;
  • (c)
    a provision of Articles 25 to 39 of the [F7UK GDPR] or section 64 or 65 of this Act (obligations of controllers and processors);
  • (d)
    a requirement to communicate a personal data breach to the [F8Commission] or a data subject under section 67, 68 or 108 of this Act;
  • (e)
    the principles for transfers of personal data to third countries, non-Convention countries and international organisations in Articles [F944A to 49A] of the [F10UK GDPR] or in sections 73 to 78 or 109 of this Act.
(3) The second type of failure is where a monitoring body has failed, or is failing, to comply with an obligation under Article 41 of the [F11UK GDPR] (monitoring of approved codes of conduct).
(4) The third type of failure is where a person who is a certification provider—
  • (a)
    does not meet the requirements for accreditation,
  • (b)
    has failed, or is failing, to comply with an obligation under Article 42 or 43 of the [F12UK GDPR] (certification of controllers and processors), or
  • (c)
    has failed, or is failing, to comply with any other provision of the [F13UK GDPR] (whether in the person's capacity as a certification provider or otherwise).
(5) The fourth type of failure is where a controller has failed, or is failing, to comply with regulations under section 137.
(5A) [F14 The fifth type of failure is where a controller has failed, or is failing, to comply with section 164A or with regulations under section 164B.]
(6) An enforcement notice given in reliance on subsection (2), (3) [F15, (5) or (5A)] may only impose requirements which the [F16Commission] considers appropriate for the purpose of remedying the failure.
(7) An enforcement notice given in reliance on subsection (4) may only impose requirements which the [F16Commission] considers appropriate having regard to the failure (whether or not for the purpose of remedying the failure).
(8) The Secretary of State may by regulations confer power on the [F16Commission] to give an enforcement notice in respect of other failures to comply with the data protection legislation.
(9) Regulations under this section—
  • (a)
    may make provision about the giving of an enforcement notice in respect of the failure, including by amending this section and sections 150 to 152,
  • (b)
    may make provision about the giving of an information notice, an assessment notice [F17, an interview notice] or a penalty notice, or about powers of entry and inspection, in connection with the failure, including by amending sections 142, 143, 146, 147 [F18, 148A, 148B] and 155 to 157 and Schedules 15 and 16, 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

  1. F1 Word in s. 149(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)
  2. F2 Words in s. 149(1) substituted (19.6.2026) by Data (Use and Access) Act 2025 (c. 18), s. 142(1), Sch. 10 para. 16(2); S.I. 2026/82, reg. 3(b) (with reg. 7)
  3. F3 Words in s. 149(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. 61 (with reg. 5); 2020 c. 1, Sch. 5 para. 1(1)
  4. F4 Words in s. 149(2)(b) inserted (5.2.2026) by Data (Use and Access) Act 2025 (c. 18), s. 142(1), Sch. 6 para. 15(a); S.I. 2026/82, reg. 2(z8) (with reg. 5)
  5. F5 Word in s. 149(2)(b) substituted (5.2.2026) by Data (Use and Access) Act 2025 (c. 18), s. 142(1), Sch. 6 para. 15(b); S.I. 2026/82, reg. 2(z8) (with reg. 5)
  6. F6 Words in s. 149(2)(b) 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. 61 (with reg. 5); 2020 c. 1, Sch. 5 para. 1(1)
  7. F7 Words in s. 149(2)(c) 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. 61 (with reg. 5); 2020 c. 1, Sch. 5 para. 1(1)
  8. F8 Word in s. 149(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(2)(3); S.I. 2026/1015, reg. 2(c)
  9. F9 Words in s. 149(2)(e) substituted (5.2.2026) by Data (Use and Access) Act 2025 (c. 18), s. 142(1), Sch. 9 para. 21 (with Sch. 9 Pt. 2); S.I. 2026/82, reg. 2(z11)
  10. F10 Words in s. 149(2)(e) 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. 61 (with reg. 5); 2020 c. 1, Sch. 5 para. 1(1)
  11. F11 Words in s. 149(3) 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. 61 (with reg. 5); 2020 c. 1, Sch. 5 para. 1(1)
  12. F12 Words in s. 149(4)(b) 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. 61 (with reg. 5); 2020 c. 1, Sch. 5 para. 1(1)
  13. F13 Words in s. 149(4)(c) 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. 61 (with reg. 5); 2020 c. 1, Sch. 5 para. 1(1)
  14. F14 S. 149(5A) inserted (19.6.2026) by Data (Use and Access) Act 2025 (c. 18), s. 142(1), Sch. 10 para. 16(3); S.I. 2026/82, reg. 3(b) (with reg. 7)
  15. F15 Words in s. 149(6) substituted (19.6.2026) by Data (Use and Access) Act 2025 (c. 18), s. 142(1), Sch. 10 para. 16(4); S.I. 2026/82, reg. 3(b) (with reg. 7)
  16. F16 Word in s. 149(6)-(8) 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)
  17. F17 Words in s. 149(9)(b) inserted (5.2.2026) by Data (Use and Access) Act 2025 (c. 18), ss. 100(3)(a), 142(1); S.I. 2026/82, reg. 2(s)
  18. F18 Words in s. 149(9)(b) inserted (5.2.2026) by Data (Use and Access) Act 2025 (c. 18), ss. 100(3)(b), 142(1); S.I. 2026/82, reg. 2(s)

Commencement Information

  1. I1 S. 149 in force at Royal Assent for specified purposes, see s. 212(2)(f)
  2. I2 S. 149 in force at 25.5.2018 in so far as not already in force by S.I. 2018/625, reg. 2(1)(f)