In his report Lord Wheatley said: While not seeking to set out a code of practice in the sense of statutory regulations which have to be observed in all cases, I have, with the assistance of the Technical Support Group, provided what should be regarded as guidelines towards a proper standard.

Following the Bradford City stadium fire in 1985 when 56 people were killed, Justice Popplewell was commissioned to produce a report into safety at sporting venues.

Following the Hillsborough disaster in 1989, when 97 people were killed, Lord Justice Taylor in his report noted that "..evidence I have received suggesting that the Green Guide may not be followed as closely as is desirable, I consider that when it is revised it needs to be given more effect".

The fifth and edition was published in 2008 and provided more advice to stadium authorities as to risk management, counter terrorism and guidance on training and qualifications of stewards.

[2] It provides new additions on Zone Ex, the areas outside the stadium where spectators arrive and depart, as well as changes and updates on the advances in technology.