(1) The Minister must not add a threatening process to the list unless satisfied that it is eligible to be treated as a key threatening process.
(2) The Minister must not delete a threatening process from the list unless satisfied that it is no longer eligible to be treated as a key threatening process.
(3) A process is a threatening process if it threatens, or may threaten, the survival, abundance or evolutionary development of a native species or ecological community.
(4) A threatening process is eligible to be treated as a key threatening process if:
(a) it could cause a native species or an ecological community to become eligible for listing in any category, other than conservation dependent; or
(b) it could cause a listed threatened species or a listed threatened ecological community to become eligible to be listed in another category representing a higher degree of endangerment; or
(c) it adversely affects 2 or more listed threatened species (other than conservation dependent species) or 2 or more listed threatened ecological communities.