- Privacy Statement (current version, from September 2019, updated February 2024).
- Equality and Diversity Statement (2020, updated October 2023).
- Social Media Policy (2019, updated October 2023).
- Advice about receiving mails and the Society's members' mailing list (January 2020).
- Policy on circulars to the members' mailing list (2020, updated November 2023).
- Policy on complaints and feedback (2020, updated November 2023).
- Policy on Conflicts of Interest (December 2020).
- The roles and responsibilities of SMI Officers and volunteers (2021, updated November 2023).
- Code of Conduct for members of SMI Council (February 2021).
- Policy for recruitment to SMI volunteer roles (2021, updated November 2023).
- Code of Conduct for those in SMI volunteer roles (2021, updated October 2023).
- Code of Conduct for SMI conferences and other SMI events (November 2023).