RE:RE:RE:So looking forward.... The 90 Day deadline applies to Non-Venture companies Simpliciti.
DYA may be a "Venture" company and that would permit them to extend to April 30.
https://www.osc.ca/en/industry/companies/reporting-issuer-and-issuer-forms/filing-due-dates-calendar-annual-and-interim-filings-reporting-issuers.
Presuming dynaCERT is Venture, one can bet they won't be filing 1 minute before April deadline.