There is different guidance for exempt and non-exempt authorities. The list of "exempt" authorities is as follows:
Barking and Dagenham
Bexley
Blackburn with Darwen
Bolton
Cambridgeshire
Camden
Cheshire
Corporation of London
Cornwall
Croydon
Derbyshire
Dorset
East Riding of Yorkshire
Gateshead
Hammersmith & Fulham
Hampshire
Hartlepool
Hertfordshire
Kensington & Chelsea
Kent
Kirklees
Leeds
Newcastle upon Tyne
Redcar and Cleveland
Shropshire
Slough
Stockton on Tees
Sunderland
Sutton
Tameside
Telford & Wrekin
Wandsworth
West Sussex
Westminster
Wigan
Worcestershire