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UK Law Reference
All sections of Levelling-up and Regeneration Act 2023
2023 c. 55, s.17E

Section 17E — Collaboration requests made by or to several mayors

This version in force from 2026-06-29

Snapshot: 2026-08-24

Reproduced from legislation.gov.uk (Crown Copyright, Open Government Licence v3.0). Amendments made after 2026-08-24 may not be reflected — always check the official text .

(1) [F1 Two or more elected mayors (the “requesting mayors”) may make a collaboration request to a single elected mayor (the “potential collaborating mayor”) if—]

(a) [F1 at least one of the requesting mayors is the mayor for the area of a CCA, and]

(b) [F1 each requesting mayor’s area meets the neighbour test.]

(2) [F1 For that purpose, a requesting mayor’s area meets the neighbour test if that area—]

(a) [F1 adjoins every other requesting mayor’s area, and]

(b) [F1 adjoins the potential collaborating mayor’s area.]

(3) [F1 If two or more elected mayors make a collaboration request to a single elected mayor—]

(a) [F1 sections 17C and 17D apply in relation to each of the requesting mayors separately, and]

(b) [F1 accordingly, in the application of those sections in relation to a particular requesting mayor, “mayor A” means that mayor.]

(4) [F1 A single mayor for the area of a CCA (the “requesting mayor”) may make a collaboration request to two or more elected mayors (the “potential collaborating mayors”) if each potential collaborating mayor’s area meets the neighbour test.]

(5) [F1 For that purpose, a potential collaborating mayor’s area meets the neighbour test if that area adjoins the requesting mayor’s area.]

(6) [F1 If a single mayor for the area of a CCA makes a collaboration request to two or more elected mayors—]

(a) [F1 sections 17C and 17D apply in relation to each of the potential collaborating mayors separately, and]

(b) [F1 accordingly, in the application of those sections in relation to a particular potential collaborating mayor, “mayor B” means that mayor.]

(7) [F1 Two or more elected mayors (the “requesting mayors”) may make a collaboration request to two or more elected mayors (the “potential collaborating mayors”) if—]

(a) [F1 at least one of the requesting mayors is the mayor for the area of a CCA,]

(b) [F1 each requesting mayor’s area meets the neighbour test, and]

(c) [F1 each potential collaborating mayor’s area meets the neighbour test.]

(8) [F1 For the purposes of subsection (7), a requesting mayor’s area meets the neighbour test if that area—]

(a) [F1 adjoins every other requesting mayor’s area, and]

(b) [F1 adjoins every potential collaborating mayor’s area.]

(9) [F1 For the purposes of subsection (7), a potential collaborating mayor’s area meets the neighbour test if that area adjoins every requesting mayor’s area.]

(10) [F1 If two or more elected mayors make a collaboration request to two or more elected mayors—]

(a) [F1 sections 17C and 17D apply in relation to each of the requesting mayors separately, and]

(b) [F1 accordingly, in the application of those sections in relation to a particular requesting mayor, “mayor A” means that mayor;]

(c) [F1 sections 17C and 17D apply in relation to each of the potential collaborating mayors separately, and]

(d) [F1 accordingly, in the application of those sections in relation to a particular potential collaborating mayor, “mayor B” means that mayor.]

(11) [F1 In this section—“potential collaborating mayor’s area” means the area for which a potential collaborating mayor is the mayor; “requesting mayor’s area” means the area for which a requesting mayor is the mayor.]

Amendment notes

  1. F1 Ss. 17C-17E inserted (29.6.2026) by English Devolution and Community Empowerment Act 2026 (c. 23), ss. 23(1), 108(5) (with s. 102)