"(3) In an order under this section providing for the payment of compensation of the kind referred to in paragraph 1(3)(c) of Schedule 3, the Circuit Court may, if in all the circumstances it considers it appropriate to do so, direct the employer concerned to pay to the employee concerned interest on the compensation at the rate referred to in section 22 of the Courts Act 1981, in respect of the whole or any part of the period beginning 6 weeks after the date on which the determination of the Court or the decision of the rights commissioner is communicated to the parties and ending on the date of the order.".