5Methods of environmental impact assessment

5 Methods of environmental impact assessment (1) The methods of environmental impact assessment that may be required for a referred action, a referred strategic proposal or a referred significant variation are: (a) assessment by referral information; or (b) assessment by supplementary environmental report; or (c) assessment by environmental impact statement; or (d) assessment by inquiry. (2) An assessment by inquiry may be carried out separately or with any other method of environmental impact assessment. (3) An assessment by inquiry that is carried out with another method of assessment must not duplicate any matters being assessed by that other method.