Legislation – Data Protection Act 2018
Changes to legislation:
Data Protection Act 2018, Section 73 is up to date with all changes known to be in force on or before 05 April 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.![]()
Changes to Legislation
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.
Changes and effects yet to be applied to Section 73:
- s. 26(2)(f)(ai) omitted by 2025 c. 18 Sch. 10 para. 9
- s. 44(1)(da) inserted by 2025 c. 18 Sch. 10 para. 10(2)(a)
- s. 44(5)(ca) inserted by 2025 c. 18 Sch. 10 para. 10(3)(a)
- s. 45(2)(ea) inserted by 2025 c. 18 Sch. 10 para. 11(2)(a)
- s. 45(5)(ca) inserted by 2025 c. 18 Sch. 10 para. 11(3)(a)
- s. 45A(2)(ca) inserted by 2025 c. 18 Sch. 10 para. 12
- s. 48(1)(b)(iia) inserted by 2025 c. 18 Sch. 10 para. 13(2)(a)
- s. 48(4)(ba) inserted by 2025 c. 18 Sch. 10 para. 13(3)(a)
- s. 149(5A) inserted by 2025 c. 18 Sch. 10 para. 16(3)
- s. 157(4A) inserted by 2025 c. 18 Sch. 10 para. 18
- s. 187(2)(za) inserted by 2025 c. 18 Sch. 10 para. 21(3)(a)
- Sch. 3 para. 8(1)(y) added by 2022 c. 18 (N.I.) Sch. 3 para. 78(3)
Changes and effects yet to be applied to the whole Act associated Parts and Chapters:
Whole provisions yet to be inserted into this Act (including any effects on those provisions):
- s. 26(2)(f)(ai) omitted by 2025 c. 18 Sch. 10 para. 9
- s. 44(1)(da) inserted by 2025 c. 18 Sch. 10 para. 10(2)(a)
- s. 44(5)(ca) inserted by 2025 c. 18 Sch. 10 para. 10(3)(a)
- s. 45(2)(ea) inserted by 2025 c. 18 Sch. 10 para. 11(2)(a)
- s. 45(5)(ca) inserted by 2025 c. 18 Sch. 10 para. 11(3)(a)
- s. 45A(2)(ca) inserted by 2025 c. 18 Sch. 10 para. 12
- s. 48(1)(b)(iia) inserted by 2025 c. 18 Sch. 10 para. 13(2)(a)
- s. 48(4)(ba) inserted by 2025 c. 18 Sch. 10 para. 13(3)(a)
- s. 149(5A) inserted by 2025 c. 18 Sch. 10 para. 16(3)
- s. 157(4A) inserted by 2025 c. 18 Sch. 10 para. 18
- s. 187(2)(za) inserted by 2025 c. 18 Sch. 10 para. 21(3)(a)
- Sch. 3 para. 8(1)(y) added by 2022 c. 18 (N.I.) Sch. 3 para. 78(3)
PART 3Law enforcement processing
CHAPTER 5Transfers of personal data to third countries etc
General principles for transfers
73General principles for transfers of personal data
F1A1
This section applies in relation to a transfer of personal data to a third country or international organisation for a law enforcement purpose.
(1)
F2The controller in relation to the transfer must secure that the transfer takes place only if—
(a)
the three conditions set out in subsections (2) to (4) are met, F3…
(b)
in a case where the personal data was originally transmitted or otherwise made available to the controller or another competent authority by a member State F4…, that member State, or any person based in that member State which is a competent authority for the purposes of the Law Enforcement Directive, has authorised the transfer in accordance with the law of the member State F5, and—
(c)
the transfer is carried out in accordance with the other provisions of this Part.
(2)
Condition 1 is that the transfer is necessary for any of the law enforcement purposes.
F6(3)
Condition 2 is that the transfer—
(a)
is approved by regulations under section 74AA that are in force at the time of the transfer,
(b)
is made subject to appropriate safeguards (see section 75), or
(c)
is based on special circumstances (see section 76).
(4)
Condition 3 is that—
(a)
the intended recipient is a relevant authority in a third country or an international organisation that is a relevant international organisation,
F7(aa)
the intended recipient is a person in a third country who—
(i)
is not a person described in paragraph (a), but
(ii)
is a processor whose processing, on behalf of the controller, of the personal data transferred is governed by, or authorised in accordance with, a contract with the controller that complies with section 59, or
(b)
in a case where the controller is a competent authority specified in any of paragraphs 5 to 17, 21, 24 to 28, 34 to 51, 54 and 56 of Schedule 7—
(i)
the intended recipient is a person in a third country F8who is not a person described in paragraph (a) or (aa), and
(ii)
the additional conditions in section 77 are met.
(5)
Authorisation is not required as mentioned in subsection (1)(b) if—
(a)
the transfer is necessary for the prevention of an immediate and serious threat F9to the public security, national security or essential interests of a third country or the United Kingdom, and
(b)
the authorisation cannot be obtained in good time.
(6)
Where a transfer is made without the authorisation mentioned in subsection (1)(b), the authority in the member State which would have been responsible for deciding whether to authorise the transfer must be informed without delay.
(7)
In this section, “relevant international organisation” means an international organisation that carries out functions for any of the law enforcement purposes.