Print Header


The 2017 Issues of Substance conference is sold out. Registration is now closed.


Join addictions workers, healthcare professionals, researchers, knowledge brokers, policy and decision makers for presentations and interactive learning workshops at Canada's premier national conference for the addiction field. All registrants — with the exception of exhibit display staff — are entitled to:

  • Attend all sessions

  • Three continental breakfasts, two lunches and break refreshments


Registration Fees

Early Bird
Registered and paid by September 8, 2017

  • Early Bird Registration: $795

  • Early Bird Student Registration: $300

Registered and paid after September 8, 2017

  • General Registration: $895

  • General Student Registration: $400

To qualify for the student rate, students must provide proof of full-time registration as an undergraduate, Masters or doctoral student at a Canadian post-secondary institution in a program related to substance use, addiction or gambling. Please fax (613-565-2173) or email a letter from your dean indicating your student status to


Registration Dates & Deadlines

  • March 1 — Registration Opens

  • March 1 — Participant Subsidy Application Opens

  • May 19 — Presenters' deadline to register

  • June 30 — Deadline for Participant Subsidy Applications

  • September 8 — Early Bird Registration Closes

  • October 13 — Cancellation deadline

  • November 9 — Registration transfer deadline

  • November 10 — Online registration closes

​Regrettably, we will not be able to accept onsite registrations.


Have a question? Review our Frequently Asked Questions, or contact us using the IOS Information Request form.