General information on visa exemptions and requirements can be found on the government of Canada’s website.
Delegates to the Conference qualify as business visitors to Canada. Firstly, one should find out if one needs a visa to enter Canada. Visa exemptions are provided to citizens of many countries and territories such as Australia, Britain, France, Germany, Korea, Singapore, Switzerland, Taiwan, United States, etc. However, citizens of a few other countries such as China, India, Philippines, South Africa, etc. require a visa to enter Canada.