You are here Home Guidance and resources Resources Reference material Scheduling handbook: Guidance for amending the Poisons Standard Version history Version 1.1, July 2019 Last updated 30 July 2019 Listen Print Share LinkedIn (Twitter) Facebook Email Loading... Version historyVersionDescription of changeAuthorEffective dateV1.0Original publicationRegulatory Engagement and Planning Branch18 January 2018V1.1Inclusion of Appendix M guidanceTransparency, Reforms and Evaluation Support Section30 July 2019 Previous Adoption and implementation of decisions