How often does the ISC register need updating?
Last updated: Oct 21, 2026, 17:46 (UTC+08:00)
At least once a year, and within 15 days of any change you learn about. Since 22 January 2024 the information is also filed with Corporations Canada, both with the annual return and when it changes. Tell us before shares change hands so the register and the filing stay in step.