46Kinds of authorisation

46 Kinds of authorisation (1) The authority may, on application, grant— (a) a standard environmental authorisation in relation to any prescribed activity; or (b) an accredited environmental authorisation in relation to a prescribed activity in relation to which effect has been given or is being given to an environmental improvement initiative; or (c) a special environmental authorisation in relation to a prescribed activity that is being conducted for the purposes of research and development, including for the purpose of trialling experimental equipment. environment improvement initiative means— (a) an environmental protection agreement that has as one of its terms a requirement that a party comply with a code of practice accredited under section 31; or (b) an environmental improvement plan accredited under section 72; or (c) a prescribed standard of the International Organization for Standardization; or (d) a prescribed initiative.