{
  "url": "https://openlegislation.uk/greater-london-authority-act-1999/section-40E",
  "json_url": "https://openlegislation.uk/greater-london-authority-act-1999/section-40E.json",
  "legislation": "ukpga/1999/29",
  "legislation_title": "Greater London Authority Act 1999",
  "legislation_url": "https://openlegislation.uk/greater-london-authority-act-1999",
  "path": "section/40E",
  "kind": "section",
  "number": "40E",
  "heading": "Collaboration requests made by or to several mayors",
  "text": "(1) Two or more elected mayors (the “requesting mayors”) may make a collaboration request to a single elected mayor (the “potential collaborating mayor”) if—\n(a) at least one of the requesting mayors is the Mayor of London, and\n(b) each requesting mayor’s area meets the neighbour test.\n(2) For that purpose, a requesting mayor’s area meets the neighbour test if that area—\n(a) adjoins every other requesting mayor’s area, and\n(b) adjoins the potential collaborating mayor’s area.\n(3) If two or more elected mayors make a collaboration request to a single elected mayor—\n(a) sections 40C and 40D apply in relation to each of the requesting mayors separately, and\n(b) accordingly, in the application of those sections in relation to a particular requesting mayor, “mayor A” means that mayor.\n(4) The Mayor of London (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.\n(5) For that purpose, a potential collaborating mayor’s area meets the neighbour test if that area adjoins Greater London.\n(6) If the Mayor of London makes a collaboration request to two or more elected mayors—\n(a) sections 40C and 40D apply in relation to each of the potential collaborating mayors separately, and\n(b) accordingly, in the application of those sections in relation to a particular potential collaborating mayor, “mayor B” means that mayor.\n(7) Two or more elected mayors (the “requesting mayors”) may make a collaboration request to two or more elected mayors (the “potential collaborating mayors”) if—\n(a) at least one of the requesting mayors is the Mayor of London,\n(b) each requesting mayor’s area meets the neighbour test, and\n(c) each potential collaborating mayor’s area meets the neighbour test.\n(8) For the purposes of subsection (7), a requesting mayor’s area meets the neighbour test if that area—\n(a) adjoins every other requesting mayor’s area, and\n(b) adjoins every potential collaborating mayor’s area.\n(9) 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.\n(10) If two or more elected mayors make a collaboration request to two or more elected mayors—\n(a) sections 40C and 40D apply in relation to each of the requesting mayors separately, and\n(b) accordingly, in the application of those sections in relation to a particular requesting mayor, “mayor A” means that mayor;\n(c) sections 40C and 40D apply in relation to each of the potential collaborating mayors separately, and\n(d) accordingly, in the application of those sections in relation to a particular potential collaborating mayor, “mayor B” means that mayor.\n(11) In this section—\n“potential collaborating mayor’s area” means the area for which a potential collaborating mayor is the mayor;\n“requesting mayor’s area” means the area for which a requesting mayor is the mayor.",
  "extent": null,
  "status": null,
  "version": "current",
  "annotations": [
    {
      "type": "F",
      "label": "F1",
      "text": "Ss. 40C-40E inserted (29.6.2026) by English Devolution and Community Empowerment Act 2026 (c. 23), ss. 23(3), 108(5) (with s. 102)"
    }
  ],
  "outstanding_effects": [],
  "provenance": {
    "source": "legislation.gov.uk",
    "source_url": "https://www.legislation.gov.uk/ukpga/1999/29/section/40E",
    "retrieved_at": "2026-10-29T09:21:45.840103+00:00"
  },
  "licence": "Open Government Licence v3.0",
  "licence_url": "https://www.nationalarchives.gov.uk/doc/open-government-licence/version/3/",
  "attribution": "Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives."
}