https://www.tga.gov.au/products/regulations-all-products/ingredients-and-scheduling-medicines-and-chemicals/ingredients-therapeutic-goods/ingredient-basics/proprietary-ingredient-formulations-and-how-they-are-used/streamlining-proprietary-ingredient-categories
Streamlining proprietary ingredient categories | Therapeutic Goods Administration (TGA)
Oct 20, 2025 - We no longer allocate proprietary ingredient numbers to certain categories of ingredient mixtures.
proprietary ingredientstreamliningcategoriestherapeuticgoods