When somebody was on materny leave the usually get an T4E.
For T4E has box 22 (fed tex) and box 23 (Qc Tax), Form T4E for Qc residents comes with form RL-6 wich has box G (Qc Tax).
TaxCycle ADDS box 23 and box G. Wich is wrong, it should take one or the other.
Many returns were produced with this error.
Please find a solution ASAP
Samuel A, CPA CA