# European Union (Withdrawal) Act 2018, Section 21: Index of defined expressions

Extent: E+W+S+N.I.

(1) In this Act, the expressions listed in the left-hand column have the meaning given by, or are to be interpreted in accordance with, the provisions listed in the right-hand column.
Expression
Provision
Anything which continues to be domestic law by virtue of section 1B(2)
Section 20(5A)
Anything which continues to be domestic law by virtue of section 2
Section 20(6)
. . .
. . .
Article (in relation to the Treaty on European Union or the Treaty on the Functioning of the European Union)
Section 20(10)
Assimilated case law
Section 6(7)
Assimilated direct legislation
Section 20(1)
Assimilated direct minor legislation
Section 20(1)
Assimilated direct principal legislation
Section 20(1)
Assimilated domestic case law
Section 6(7)
Assimilated EU case law
Section 6(7)
Assimilated law
Section 6(7)
Charter of Fundamental Rights
Section 20(1)
Commons sitting day
Section 20(1)
Devolved authority
Section 20(1)
Direct EU legislation
Section 3(2)
Domestic law
Section 20(1)
The EEA
Section 20(1)
EEA agreement
Schedule 1 to the Interpretation Act 1978
EEA EFTA separation agreement
Section 7B(6)
Enactment
Section 20(1)
The EU
Schedule 1 to the Interpretation Act 1978
EU decision
Section 20(1)
EU-derived domestic legislation
Section 1B(7)
EU directive
Section 20(1)
EU entity
Section 20(1)
EU institution
Schedule 1 to the Interpretation Act 1978
EU instrument
Schedule 1 to the Interpretation Act 1978
Euratom Treaty
Schedule 1 to the Interpretation Act 1978
EU reference
Section 20(1)
EU regulation
Section 20(1)
European Communities Act 1972
Section 1A(7)(a)
European Court
Schedule 1 to the Interpretation Act 1978
EU tertiary legislation
Section 20(1)
EU Treaties
Schedule 1 to the Interpretation Act 1978
Exempt EU instrument
Section 20(1)
Exit day (and related expressions)
Section 20(1) to (5)
Former Article 34(2)(c) of Treaty on European Union
Section 20(9)
Future relationship agreement
Section 20(1)
Implementation period
Section 1A(6)
IP completion day (and related expressions)
Section 1A(6)
Joint Committee
Section 20(1)
Lords sitting day
Section 20(1)
Member State
Section 20(1) and Schedule 1 to the Interpretation Act 1978
Minister of the Crown
Section 20(1)
Modify (and related expressions)
Section 20(1)
Northern Ireland devolved authority
Section 20(1)
Operative (in relation to direct EU legislation)
Section 3(3)
Part (of withdrawal agreement or EEA EFTA separation agreement)
Section 1A(7)(b)
Primary legislation
Section 20(1)
Public authority
Section 20(1)
Public authority in the United Kingdom (however expressed)
Section 20(8)
Qualifying Northern Ireland goods
Section 8C(6)
Ratify
Section 20(1)
Relevant criminal offence
Section 20(1) (and paragraph 44 of Schedule 8)
Relevant separation agreement law
Section 7C(3)
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
Retrospective provision
Section 20(1)
Subordinate legislation
Section 20(1)
Swiss citizens' rights agreement
Section 7B(6)
Tribunal
Section 20(1)
Wales
Section 20(1)
Welsh zone
Section 20(1)
Withdrawal agreement
Section 1A(6)
(2) See paragraph 22 of Schedule 8 for amendments made by this Act to Schedule 1 to the Interpretation Act 1978.

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Source: https://www.legislation.gov.uk/ukpga/2018/16/section/21 (the official version)
Page: https://openlegislation.uk/european-union-withdrawal-act-2018/section-21
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.