The Planning Officers Society have made formal representation to the government for changes to be included in the forthcoming governmental review of the planning system. They say "Unauthorised development: Review the current fourâ€year and tenâ€year “immunity†rules, preventing enforcement action being taken against unlawful development. As recent wellâ€publicised cases have shown, these encourage rogue developers, place heavy enforcement burdens on local authorities and undermine public confidence in the effectiveness of the planning system.