The New England Tablelands Noxious Plants County Council now trading as New England Weeds Authority as a single purpose local government authority, established by the Governor under Section 387 of the Local Government Act 1993, as the control authority for noxious weeds in the areas of Armidale Dumaresq Council, Uralla Shire Council, Guyra Shire Council and Walcha Shire Council.
The County Council was originally constituted by proclamation in 1947.
Being a County Council upon which noxious weed control functions for its area of operations have been conferred, the New England Weeds Authority is a local control authority as defined in Section 35 of the Noxious Weeds Act 1993.
The County Council within its area of operations has the functions set out in Section 36 of the Noxious Weeds Act 1993 and by the Northern Inland Weeds Advisory Committee Weeds Action Plan. These functions include the responsibility for the control of noxious weeds by occupiers of land and the control of noxious weeds on roadsides.