This instrument will make necessary changes, which arise as a result of the UK leaving the European Union, to domestic legislation which governs the process for Strategic Environmental Assessment (SEA) and Environmental Impact Assessment (EIA) in Northern Ireland. It will specifically make amendments to regulations in respect of SEA and three sets of EIA regulations covering the following Department of Environment, Agriculture and Rural Affairs (DAERA) policy areas; forestry, agriculture and water resources. The principal regulations being amended are:  The Environmental Assessment of Plans and Programmes Regulations (Northern Ireland) 2004;  The Environmental Impact Assessment (Forestry) Regulations (Northern Ireland) 2006;  The Environmental Impact Assessment (Agriculture) Regulations (Northern Ireland 2007; and  The Water Resources (Environmental Impact Assessment) Regulations (Northern Ireland) 2017.