@bibite26 The deduction is the total of the amounts in boxes L-9, L-10, L-12 and L-13 of your RL-1 slip. It is equal to 25% of the benefit deemed received in the year (or 50% of the benefit if certain conditions are met). To learn more, see guide IN-253-V, Taxable Benefits.
For more information, Refer from this resource from Revenu' Quebec.
