Do not take refundable tax credits into account when calculating instalments. Revenu Québec will take them into account when processing the corporation's income tax return.

Revenu Québec considers that the total tax credits granted to the corporation constitute an instalment made by the corporation and uses the amount of the credits to offset the first instalment owed for the fiscal period. The remaining credits are then applied to the second instalment, and so forth, until no credits remain.

Refundable tax credits based on a payroll increase are taken into account only for a taxation year after the first taxation year for which the corporation is granted such credits.