In NSW the management of weeds is governed by the Biosecurity Act 2015. The Minister for Primary Industries has responsibility for this legislation. Local Government / Council is the lead agency for enforcing weed control within the local government area.
Under the Biosecurity Act 2015a weed is a plant that has a biosecurity Impact. A biosecurity impact means an adverse effect on the economy, the environment or the community that arises, or has the potential to arise, from that plant, being an adverse effect that is related to the introduction, presence, spread or increase of that plant.