http://www.legislation.gov.uk/ukpga/2009/20/section/103CLocal Democracy, Economic Development and Construction Act 2009An Act to make provision for the purposes of promoting public involvement in relation to local authorities and other public authorities; to make provision about bodies representing the interests of tenants; to make provision about local freedoms and honorary titles; to make provision about the procedures of local authorities, their powers relating to insurance and the audit of entities connected with them; to establish the Local Government Boundary Commission for England and to make provision relating to local government boundary and electoral change; to make provision about local and regional development; to amend the law relating to construction contracts; and for connected purposes.texttext/xmlenStatute Law Database2026-07-24Expert Participation2026-07-15 Part 6Economic prosperity boards and combined authoritiesChapter 2<Addition ChangeId="key-18de53f7816cb15c9d3a66164395c822-1780569575325" CommentaryRef="key-18de53f7816cb15c9d3a66164395c822">Combined authorities</Addition><Addition ChangeId="key-7871a85372e81db97b7e2269408f6009-1780564564789" CommentaryRef="key-7871a85372e81db97b7e2269408f6009">Functions of combined authorities</Addition><Addition ChangeId="key-083bf9b3600cba23fe3f6b1acab71ac2-1783525510273" CommentaryRef="key-083bf9b3600cba23fe3f6b1acab71ac2">Request to collaborate</Addition>103C1The mayor for the area of a combined authority (“mayor A”) may make a request to another elected mayor (“mayor B”) for the mayors to collaborate in relation to a matter relating to any aspect of any area of competence.2A collaboration request must specify—athe matter on which mayor A wants the mayors to collaborate, andbthe way in which mayor A wants the mayors to collaborate.3Mayor A may make a collaboration request only if mayor A considers that the requested collaboration would be likely to improve the economic, social or environmental well-being of—asome or all of the people who live or work in mayor A’s area, orbsome or all of the people who live or work in mayor A’s area and some or all of the people who live or work in mayor B’s area.4Mayor A may make a collaboration request only if mayor A’s area adjoins mayor B’s area.5A collaboration request must be in writing.6Mayor A must publish, in such manner as the mayor thinks appropriate, any collaboration request which the mayor makes.7The mayors for the areas of combined authorities must have regard to any guidance issued by the Secretary of State in exercising powers, and complying with duties, under this section.8Section 103E makes provision about collaboration requests made by, or to, two or more elected mayors.9In this section, section 103D and section 103E—“area of competence” has the same meaning as in the English Devolution and Community Empowerment Act 2026 (see section 2 of that Act);“collaboration request” means a request made under subsection (1);“elected mayor” means—the mayor for the area of a combined authority,the mayor for the area of a combined county authority, orthe Mayor of London;“mayor A” has the meaning given in subsection (1);“mayor A’s area” means the area for which mayor A is the mayor;“mayor B” has the meaning given in subsection (1);“mayor B’s area” means the area for which mayor B is the mayor.Ss. 103C-103E inserted (29.6.2026) by English Devolution and Community Empowerment Act 2026 (c. 23), ss. 23(2), 108(5) (with s. 102)Pt. 6 Ch. 2 heading inserted (29.4.2026) by English Devolution and Community Empowerment Act 2026 (c. 23), ss. 15(2)(b), 108(1)(3) (with s. 102)S. 103A and cross-heading inserted (29.4.2026) by English Devolution and Community Empowerment Act 2026 (c. 23), ss. 5(2), 108(1)(3) (with s. 102)