http://www.legislation.gov.uk/id/ukpga/1985/51

http://www.legislation.gov.uk/ukpga/1985/51/section/74

Local Government Act 1985

An Act to abolish the Greater London Council and the metropolitan county councils; to transfer their functions to the local authorities in their areas and, in some cases, to other bodies; and to provide for other matters consequential on, or connected with, the abolition of those councils.