I guess I did not express myself clearly.
I already have a Payroll setup in Ontario.
The Quebec payroll was added recently. And I have created all the needed accounts. And the payrun works fine.
But when I issue Tools > Pay withholdings I can only get to record properly the Federal part of the payroll.
The Pay withholdings settings does not have the proper accounts (line 8 to 17)
It has EI, CPP/QPP and Tax.
But for the Quebec Payroll I would need