Nope, we verified the 2015 figures against our returns - Fed tax should be slightly higher than QC tax. We also verified it against some friends working for other Fed gov't departments in QC. The Phoenix numbers are wrong. It appears to be unique to those of us living in ON but working in QC. Something got programmed incorrectly.
Phoenix make a mistake? That's unpossible.
That's like telling me that during an acting assignment, I should have been paid at a rate of pay from the collective agreement, and not a rate that someone in Miramichi made up.