- Latest available (Revised)
- Original (As enacted)
British Nationality Act 1981
You are here:
- UK Public General Acts
- 1981 c. 61
- Part V
- Section 45
What Version
Advanced Features
- Show Geographical Extent(e.g. England, Wales, Scotland and Northern Ireland)
- Show Timeline of Changes
Opening Options
More Resources
Changes to legislation:
British Nationality Act 1981, Section 45 is up to date with all changes known to be in force on or before 23 November 2024. 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 the whole Act associated Parts and Chapters:
Whole provisions yet to be inserted into this Act (including any effects on those provisions):
- s. 4AA inserted by 2024 c. 19 s. 1(2)
- s. 6(3) (4) inserted by 2009 c. 11 s. 40(2) (Amending provision prospectively repealed by 2022 c. 36, s. 9(3)(a))
- s. 41(1)(bc)-(be) inserted by 2009 c. 11 s. 41(2) (Amending provision prospectively repealed by 2022 c. 36, s. 9(3)(a))
- s. 41(1B) (1C) inserted by 2009 c. 11 s. 41(3) (Amending provision prospectively repealed by 2022 c. 36, s. 9(3)(a))
- s. 50A(1)(aa) inserted by 2024 c. 19 s. 1(4)(a)
- Sch. 1 para. 2(1)(ba)(bb) inserted by 2009 c. 11 s. 39(5) (Amending provision prospectively repealed by 2022 c. 36, s. 9(3)(a))
- Sch. 1 para. 2(1)(ca) inserted by 2009 c. 11 s. 39(7) (Amending provision prospectively repealed by 2022 c. 36, s. 9(3)(a))
- Sch. 1 para. 2(5) inserted by 2009 c. 11 s. 39(10) (Amending provision prospectively repealed by 2022 c. 36, s. 9(3)(a))
- Sch. 1 para. 6(2)-(4) inserted by 2022 c. 36 Sch. 1 para. 3(4)(d)
- Sch. 1 para. 2(1)(c) repealed by 2009 c. 11 s. 39(6) Sch. Pt. 2 (Amending provision prospectively repealed by 2022 c. 36, s. 9(3)(a))
- Sch. 1 para. 2(1)(a) substituted by 2009 c. 11 s. 39(4) (Amending provision prospectively repealed by 2022 c. 36, s. 9(3)(a))
- Sch. 1 para. 2(2)-(4) substituted for Sch. 1 para. 2(2)(3) by 2009 c. 11 s. 39(9) (Amending provision prospectively repealed by 2022 c. 36, s. 9(3)(a))
- Sch. 1 para. 2(1)(d) word substituted by 2009 c. 11 s. 39(8)(a) (Amending provision prospectively repealed by 2022 c. 36, s. 9(3)(a))
- Sch. 1 para. 2(1)(d) words substituted by 2009 c. 11 s. 39(8)(b) (Amending provision prospectively repealed by 2022 c. 36, s. 9(3)(a))
45 Evidence.U.K.
(1)Every document purporting to be a notice, certificate, order or declaration, or an entry in a register, or a subscription of an oath of allegiance, given, granted or made under this Act or any of the former nationality Acts shall be received in evidence and shall, unless the contrary is proved, be deemed to have been given, granted or made by or on behalf of the person by whom or on whose behalf it purports to have been given, granted or made.
(2)Prima facie evidence of any such document may be given by the production of a document purporting to be certified as a true copy of it by such person and in such manner as may be prescribed.
(3)Any entry in a register made under this Act or any of the former nationality Acts shall be received as evidence (and in Scotland as sufficient evidence) of the matters stated in the entry.
(4)A certificate given by or on behalf of the Secretary of State that a person was at any time in Crown service under the government of the United Kingdom or that a person’s recruitment for such service took place in the United Kingdom shall, for the purposes of this Act, be conclusive evidence of that fact.
Modifications etc. (not altering text)
C1Ss. 41, 42, 44–48 extended by British Nationality (Falkland Islands) Act 1983 (c. 6, SIF 87), s. 4(2)(a)–(f)
C2S. 45 amended by S.I. 1986/948, art. 7(7)(a)
S. 45 amended (18.7.1996) by 1996 c. 41, s. 2(2)
C3Ss. 40–42, 44–48, 50 extended by British Nationality (Hong Kong) Act 1990 (c. 34, SIF 87), s. 2(3)
C4S. 45 modified (19.3.1997) by 1997 c. 20, s. 2(3)
Options/Help
Print Options
PrintThe Whole Act
PrintThe Whole Part
PrintThis Section only
You have chosen to open the Whole Act
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?
Legislation is available in different versions:
Latest Available (revised):The latest available updated version of the legislation incorporating changes made by subsequent legislation and applied by our editorial team. Changes we have not yet applied to the text, can be found in the ‘Changes to Legislation’ area.
Original (As Enacted or Made): The original version of the legislation as it stood when it was enacted or made. No changes have been applied to the text.
See additional information alongside the content
Geographical Extent: Indicates the geographical area that this provision applies to. For further information see ‘Frequently Asked Questions’.
Show Timeline of Changes: 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.
Opening Options
Different options to open legislation in order to view more content on screen at once
More Resources
Access essential accompanying documents and information for this legislation item from this tab. Dependent on the legislation item being viewed this may include:
- the original print PDF of the as enacted version that was used for the print copy
- lists of changes made by and/or affecting this legislation item
- confers power and blanket amendment details
- all formats of all associated documents
- correction slips
- links to related legislation and further information resources
Timeline of Changes
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.
More Resources
Use this menu to access essential accompanying documents and information for this legislation item. Dependent on the legislation item being viewed this may include:
- the original print PDF of the as enacted version that was used for the print copy
- correction slips
Click 'View More' or select 'More Resources' tab for additional information including:
- lists of changes made by and/or affecting this legislation item
- confers power and blanket amendment details
- all formats of all associated documents
- links to related legislation and further information resources
All content is available under the Open Government Licence v3.0 except where otherwise stated. This site additionally contains content derived from EUR-Lex, reused under the terms of the Commission Decision 2011/833/EU on the reuse of documents from the EU institutions. For more information see the EUR-Lex public statement on re-use.