Interest on delayed refunds: statutory entitlement to notified interest from expiry of prescribed refund period until payment. Interest on delayed refunds: where a refund under section 54(5) is not paid within sixty days of the refund application, interest is payable from the day after the sixty day period until actual refund at a government notified rate not exceeding six per cent; if the claim follows a final adjudicatory or appellate order, interest is payable for the same period at a government notified rate not exceeding nine per cent. An appellate or court order against a proper officer's refusal is deemed to be an order under section 54(5).