CSA Staff Notice 55-316 Questions and Answers on Insider Reporting and SEDI
3 Issuer Information
3.3 Issuer Event Report
Section 3.3.10

What If There Is Not Enough Space In The ‘Issuer Report Details’ Field To Adequately Describe The Event?

You should provide a summary of the event. However, to the extent that you need more space, consider cross-referencing a public document that adequately discloses the necessary information about the event.