The CRA and RQ have certified TaxCycle T1/TP1, T3 and T5013/TP-600 for filing 2023 returns when EFILE systems open on Monday, February 19, 2024.
The CRA has certified T1 2021 for EFILE. 2021 T3, T5013 and Québec TP1, TP-646 and TP-600 returns are also ready for filing.