You are here Home Guidance and resources Resources International scientific guidelines adopted in Australia International scientific guideline: ICH Topic Q3B (R2) - Note for Guidance on Impurities in New Drug Products CPMP/ICH/2738/99 adopted by the Therapeutic Goods Administration (TGA) Listen Print Share LinkedIn (Twitter) Facebook Email Loading... About this guideline Overseas effective date: August 2003 Replaces: CPMP/ICH/2736/99-ICH(R) (Adopted by TGA 16 August 2004) Categories: Quality | Impurities | Nonclinical | General (nonclinical) Access this international scientific guideline For more information see International scientific guidelines adopted in Australia. Where EU guidelines adopted in Australia include references to EU legislation (including EC Directives and Regulations), the requirements contained in the referenced EU legislation are not applicable to the evaluation of medicines by the TGA.