Had the luxury of decoding a $300 million currency translation discrepancy in software of a $5 Billion acquisition by a $100B/yr European company US GAAP to IFRS consolidation.
I cannot imagine a small Canadian issuer can afford to report in USD and use IFRS.
Maybe they fall below 5% and the auditor blows it off as immaterial.
I do know a few auditors that want numbers to match to the penny. And I mean to the penny as Excel sometimes can be a penny off, and issuers use Excel.