Save your settings under Tools > Pay Withholdings by clicking the new button and save your current settings as Federal Witholdings. Once saved, alter the Withheld and remitted account names to include your Quebec Withholdings and then again save the settings and Save them as Quebec Withholdings.

You can use the arrow button to switch between Federal Withholdings and Quebec Withholdings to recall your saved settings.

Regards to all,