For pragmatic reasons, it was further agreed that the system will be implemented by the Department of Minerals and Energy for an 18-month period, after which it will revert to the environmental authority. Bill 36D of 2007 gives effect to this agreement. The Mineral and Petroleum Resources Development Act provisions not already contained in Nema, and that are considered to be strengthening environmental management of mining and other activities, have been adapted and adopted. This includes provisions around rehabilitation, closure, financial provisions, monitoring and reporting and environmental management programmes. Integration of environmental and mining authorisations has also been provided for.