But few negative ratings changes required
Lack of standards leads to credibility issues, says CGA-Canada
Switch to international reporting standards will see many companies restate 2004 results
Standards now in line with best international practices
Scope for improvement, says Thiessen
Manipulation seen as commonplace
Maintenance of separate Canadian auditing standards difficult to justify
CSA expects rule to take effect in March
Standard marks shift to more rigorous "principles-based" approach
Proposed CSA rule to apply to all issurers