Quebec taxes
Does you son have an amount in box A of his RL-8 slip? Amounts can only be transferred if you received an RL-8 slip on which an amount is shown in box A.
The $6012 comes from the actual Revenue Quebec form: https://www.revenuquebec.ca/documents/en/formulaires/tp/2025-12/TP-1.D.S-V%282025-12%29.pdf
This Quebec website has information on How to create a Government Authentication Service account in order to use Quebec's My Account:
