In Qubec, the employer contribution to the Health Services Fund is due: Responses no later than the last day of February following the end of the taxation year being filed no later than the last day of February following the end of the taxation year being filed no later than the 15th of March following the end of the taxation year being filed no later than the 15th of March following the end of the taxation year being filed no later than the last day of March following the end of the taxation year being filed no later than the last day of March following the end of the taxation year being filed no later than the last day of April following the end of the taxation year being filed