It is also necessary to provide, in cases where sufficient evidence is submitted of changed circumstances, for interim reviews or for investigations to determine whether refunds of anti-dumping duties are warranted.
Is gá foráil a dhéanamh freisin, i gcásanna ina dtíolactar go leor fianaise go bhfuil athrú ar imthosca, maidir le hathbhreithnithe eatramhacha nó maidir le himscrúduithe lena chinneadh an ndlífear aisíochtaí dleachtanna frithdhumpála.