OK, seems that no one here is so interested in having customers for the .ca extensions.
So, finally, after long time I discovered what's going on. Some of the form fields for the .ca registration are not marked as required and also, are not well explained.
Here's the most important one:
Organization Registered Location this one should be as simple as: Province or State and should be required. Without this one, your new registration would be rejected.
I don't know if this is a bug or not, but can be fixed?
Thanks.